cleanup of the old Incremental trader after refactopring

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Ajasra
2025-05-29 00:28:48 +08:00
parent 54e3f5677a
commit a99ed50cfe
33 changed files with 2 additions and 12873 deletions

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# Incremental Backtester
A high-performance backtesting system for incremental trading strategies with multiprocessing support for parameter optimization.
## Overview
The Incremental Backtester provides a complete solution for testing incremental trading strategies:
- **IncTrader**: Manages a single strategy during backtesting
- **IncBacktester**: Orchestrates multiple traders and parameter optimization
- **Multiprocessing Support**: Parallel execution across CPU cores
- **Memory Efficient**: Bounded memory usage regardless of data length
- **Real-time Compatible**: Same interface as live trading systems
## Quick Start
### 1. Basic Single Strategy Backtest
```python
from cycles.IncStrategies import (
IncBacktester, BacktestConfig, IncRandomStrategy
)
# Configure backtest
config = BacktestConfig(
data_file="btc_1min_2023.csv",
start_date="2023-01-01",
end_date="2023-12-31",
initial_usd=10000,
stop_loss_pct=0.02, # 2% stop loss
take_profit_pct=0.05 # 5% take profit
)
# Create strategy
strategy = IncRandomStrategy(params={
"timeframe": "15min",
"entry_probability": 0.1,
"exit_probability": 0.15
})
# Run backtest
backtester = IncBacktester(config)
results = backtester.run_single_strategy(strategy)
print(f"Profit: {results['profit_ratio']*100:.2f}%")
print(f"Trades: {results['n_trades']}")
print(f"Win Rate: {results['win_rate']*100:.1f}%")
```
### 2. Multiple Strategies
```python
strategies = [
IncRandomStrategy(params={"timeframe": "15min"}),
IncRandomStrategy(params={"timeframe": "30min"}),
IncMetaTrendStrategy(params={"timeframe": "15min"})
]
results = backtester.run_multiple_strategies(strategies)
for result in results:
print(f"{result['strategy_name']}: {result['profit_ratio']*100:.2f}%")
```
### 3. Parameter Optimization
```python
# Define parameter grids
strategy_param_grid = {
"timeframe": ["15min", "30min", "1h"],
"entry_probability": [0.05, 0.1, 0.15],
"exit_probability": [0.1, 0.15, 0.2]
}
trader_param_grid = {
"stop_loss_pct": [0.01, 0.02, 0.03],
"take_profit_pct": [0.03, 0.05, 0.07]
}
# Run optimization (uses all CPU cores)
results = backtester.optimize_parameters(
strategy_class=IncRandomStrategy,
param_grid=strategy_param_grid,
trader_param_grid=trader_param_grid,
max_workers=8 # Use 8 CPU cores
)
# Get summary statistics
summary = backtester.get_summary_statistics(results)
print(f"Best profit: {summary['profit_ratio']['max']*100:.2f}%")
# Save results
backtester.save_results(results, "optimization_results.csv")
```
## Architecture
### IncTrader Class
Manages a single strategy during backtesting:
```python
trader = IncTrader(
strategy=strategy,
initial_usd=10000,
params={
"stop_loss_pct": 0.02,
"take_profit_pct": 0.05
}
)
# Process data sequentially
for timestamp, ohlcv_data in data_stream:
trader.process_data_point(timestamp, ohlcv_data)
# Get results
results = trader.get_results()
```
**Key Features:**
- Position management (USD/coin balance)
- Trade execution based on strategy signals
- Stop loss and take profit handling
- Performance tracking and metrics
- Fee calculation using existing MarketFees
### IncBacktester Class
Orchestrates multiple traders and handles data loading:
```python
backtester = IncBacktester(config, storage)
# Single strategy
results = backtester.run_single_strategy(strategy)
# Multiple strategies
results = backtester.run_multiple_strategies(strategies)
# Parameter optimization
results = backtester.optimize_parameters(strategy_class, param_grid)
```
**Key Features:**
- Data loading using existing Storage class
- Multiprocessing for parameter optimization
- Result aggregation and analysis
- Summary statistics calculation
- CSV export functionality
### BacktestConfig Class
Configuration for backtesting runs:
```python
config = BacktestConfig(
data_file="btc_1min_2023.csv",
start_date="2023-01-01",
end_date="2023-12-31",
initial_usd=10000,
timeframe="1min",
# Trader parameters
stop_loss_pct=0.02,
take_profit_pct=0.05,
# Performance settings
max_workers=None, # Auto-detect CPU cores
chunk_size=1000
)
```
## Data Requirements
### Input Data Format
The backtester expects minute-level OHLCV data in CSV format:
```csv
timestamp,open,high,low,close,volume
1672531200,16625.1,16634.5,16620.0,16628.3,125.45
1672531260,16628.3,16635.2,16625.8,16631.7,98.32
...
```
**Requirements:**
- Timestamp column (Unix timestamp or datetime)
- OHLCV columns: open, high, low, close, volume
- Minute-level frequency (strategies handle timeframe aggregation)
- Sorted by timestamp (ascending)
### Data Loading
Uses the existing Storage class for data loading:
```python
from cycles.utils.storage import Storage
storage = Storage()
data = storage.load_data(
"btc_1min_2023.csv",
"2023-01-01",
"2023-12-31"
)
```
## Performance Features
### Multiprocessing Support
Parameter optimization automatically distributes work across CPU cores:
```python
# Automatic CPU detection
results = backtester.optimize_parameters(strategy_class, param_grid)
# Manual worker count
results = backtester.optimize_parameters(
strategy_class, param_grid, max_workers=4
)
# Single-threaded (for debugging)
results = backtester.optimize_parameters(
strategy_class, param_grid, max_workers=1
)
```
### Memory Efficiency
- **Bounded Memory**: Strategy buffers have fixed size limits
- **Incremental Processing**: No need to load entire datasets into memory
- **Efficient Data Structures**: Optimized for sequential processing
### Performance Monitoring
Built-in performance tracking:
```python
results = backtester.run_single_strategy(strategy)
print(f"Backtest duration: {results['backtest_duration_seconds']:.2f}s")
print(f"Data points processed: {results['data_points_processed']}")
print(f"Processing rate: {results['data_points']/results['backtest_duration_seconds']:.0f} points/sec")
```
## Result Analysis
### Individual Results
Each backtest returns comprehensive metrics:
```python
{
"strategy_name": "IncRandomStrategy",
"strategy_params": {"timeframe": "15min", ...},
"trader_params": {"stop_loss_pct": 0.02, ...},
"initial_usd": 10000.0,
"final_usd": 10250.0,
"profit_ratio": 0.025,
"n_trades": 15,
"win_rate": 0.6,
"max_drawdown": 0.08,
"avg_trade": 0.0167,
"total_fees_usd": 45.32,
"trades": [...], # Individual trade records
"backtest_duration_seconds": 2.45
}
```
### Summary Statistics
For parameter optimization runs:
```python
summary = backtester.get_summary_statistics(results)
{
"total_runs": 108,
"successful_runs": 105,
"failed_runs": 3,
"profit_ratio": {
"mean": 0.023,
"std": 0.045,
"min": -0.12,
"max": 0.18,
"median": 0.019
},
"best_run": {...},
"worst_run": {...}
}
```
### Export Results
Save results to CSV for further analysis:
```python
backtester.save_results(results, "backtest_results.csv")
```
Output includes:
- Strategy and trader parameters
- Performance metrics
- Trade statistics
- Execution timing
## Integration with Existing System
### Compatibility
The incremental backtester integrates seamlessly with existing components:
- **Storage Class**: Uses existing data loading infrastructure
- **MarketFees**: Uses existing fee calculation
- **Strategy Interface**: Compatible with incremental strategies
- **Result Format**: Similar to existing Backtest class
### Migration from Original Backtester
```python
# Original backtester
from cycles.backtest import Backtest
# Incremental backtester
from cycles.IncStrategies import IncBacktester, BacktestConfig
# Similar interface, enhanced capabilities
config = BacktestConfig(...)
backtester = IncBacktester(config)
results = backtester.run_single_strategy(strategy)
```
## Testing
### Synthetic Data Testing
Test with synthetic data before using real market data:
```python
from cycles.IncStrategies.test_inc_backtester import main
# Run all tests
main()
```
### Unit Tests
Individual component testing:
```python
# Test IncTrader
from cycles.IncStrategies.test_inc_backtester import test_inc_trader
test_inc_trader()
# Test IncBacktester
from cycles.IncStrategies.test_inc_backtester import test_inc_backtester
test_inc_backtester()
```
## Examples
See `example_backtest.py` for comprehensive usage examples:
```python
from cycles.IncStrategies.example_backtest import (
example_single_strategy_backtest,
example_parameter_optimization,
example_custom_analysis
)
# Run examples
example_single_strategy_backtest()
example_parameter_optimization()
```
## Best Practices
### 1. Data Preparation
- Ensure data quality (no gaps, correct format)
- Use appropriate date ranges for testing
- Consider market conditions in test periods
### 2. Parameter Optimization
- Start with small parameter grids for testing
- Use representative time periods
- Consider overfitting risks
- Validate results on out-of-sample data
### 3. Performance Optimization
- Use multiprocessing for large parameter grids
- Monitor memory usage for long backtests
- Profile bottlenecks for optimization
### 4. Result Validation
- Compare with original backtester for validation
- Check trade logic manually for small samples
- Verify fee calculations and position management
## Troubleshooting
### Common Issues
1. **Data Loading Errors**
- Check file path and format
- Verify date range availability
- Ensure required columns exist
2. **Strategy Errors**
- Check strategy initialization
- Verify parameter validity
- Monitor warmup period completion
3. **Performance Issues**
- Reduce parameter grid size
- Limit worker count for memory constraints
- Use shorter time periods for testing
### Debug Mode
Enable detailed logging:
```python
import logging
logging.basicConfig(level=logging.DEBUG)
# Run with detailed output
results = backtester.run_single_strategy(strategy)
```
### Memory Monitoring
Monitor memory usage during optimization:
```python
import psutil
import os
process = psutil.Process(os.getpid())
print(f"Memory usage: {process.memory_info().rss / 1024 / 1024:.1f} MB")
```
## Future Enhancements
- **Live Trading Integration**: Direct connection to trading systems
- **Advanced Analytics**: Risk metrics, Sharpe ratio, etc.
- **Visualization**: Built-in plotting and analysis tools
- **Database Support**: Direct database connectivity
- **Strategy Combinations**: Multi-strategy portfolio testing
## Support
For issues and questions:
1. Check the test scripts for working examples
2. Review the TODO.md for known limitations
3. Examine the base strategy implementations
4. Use debug logging for detailed troubleshooting

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"""
Incremental Strategies Module
This module contains the incremental calculation implementation of trading strategies
that support real-time data processing with efficient memory usage and performance.
The incremental strategies are designed to:
- Process new data points incrementally without full recalculation
- Maintain bounded memory usage regardless of data history length
- Provide identical results to batch calculations
- Support real-time trading with minimal latency
Classes:
IncStrategyBase: Base class for all incremental strategies
IncRandomStrategy: Incremental implementation of random strategy for testing
IncMetaTrendStrategy: Incremental implementation of the MetaTrend strategy
IncDefaultStrategy: Incremental implementation of the default Supertrend strategy
IncBBRSStrategy: Incremental implementation of Bollinger Bands + RSI strategy
IncStrategyManager: Manager for coordinating multiple incremental strategies
IncTrader: Trader that manages a single strategy during backtesting
IncBacktester: Backtester for testing incremental strategies with multiprocessing
BacktestConfig: Configuration class for backtesting runs
"""
from .base import IncStrategyBase, IncStrategySignal
from .random_strategy import IncRandomStrategy
from .metatrend_strategy import IncMetaTrendStrategy, MetaTrendStrategy
from .inc_trader import IncTrader, TradeRecord
from .inc_backtester import IncBacktester, BacktestConfig
# Note: These will be implemented in subsequent phases
# from .default_strategy import IncDefaultStrategy
# from .bbrs_strategy import IncBBRSStrategy
# from .manager import IncStrategyManager
# Strategy registry for easy access
AVAILABLE_STRATEGIES = {
'random': IncRandomStrategy,
'metatrend': IncMetaTrendStrategy,
'meta_trend': IncMetaTrendStrategy, # Alternative name
# 'default': IncDefaultStrategy,
# 'bbrs': IncBBRSStrategy,
}
__all__ = [
# Base classes
'IncStrategyBase',
'IncStrategySignal',
# Strategies
'IncRandomStrategy',
'IncMetaTrendStrategy',
'MetaTrendStrategy',
# Backtesting components
'IncTrader',
'IncBacktester',
'BacktestConfig',
'TradeRecord',
# Registry
'AVAILABLE_STRATEGIES'
# Future implementations
# 'IncDefaultStrategy',
# 'IncBBRSStrategy',
# 'IncStrategyManager'
]
__version__ = '1.0.0'

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"""
Base classes for the incremental strategy system.
This module contains the fundamental building blocks for all incremental trading strategies:
- IncStrategySignal: Represents trading signals with confidence and metadata
- IncStrategyBase: Abstract base class that all incremental strategies must inherit from
- TimeframeAggregator: Built-in timeframe aggregation for minute-level data processing
"""
import pandas as pd
from abc import ABC, abstractmethod
from typing import Dict, Optional, List, Union, Any
from collections import deque
import logging
# Import the original signal class for compatibility
from ..strategies.base import StrategySignal
# Create alias for consistency
IncStrategySignal = StrategySignal
class TimeframeAggregator:
"""
Handles real-time aggregation of minute data to higher timeframes.
This class accumulates minute-level OHLCV data and produces complete
bars when a timeframe period is completed. Integrated into IncStrategyBase
to provide consistent minute-level data processing across all strategies.
"""
def __init__(self, timeframe_minutes: int = 15):
"""
Initialize timeframe aggregator.
Args:
timeframe_minutes: Target timeframe in minutes (e.g., 60 for 1h, 15 for 15min)
"""
self.timeframe_minutes = timeframe_minutes
self.current_bar = None
self.current_bar_start = None
self.last_completed_bar = None
def update(self, timestamp: pd.Timestamp, ohlcv_data: Dict[str, float]) -> Optional[Dict[str, float]]:
"""
Update with new minute data and return completed bar if timeframe is complete.
Args:
timestamp: Timestamp of the data
ohlcv_data: OHLCV data dictionary
Returns:
Completed OHLCV bar if timeframe period ended, None otherwise
"""
# Calculate which timeframe bar this timestamp belongs to
bar_start = self._get_bar_start_time(timestamp)
# Check if we're starting a new bar
if self.current_bar_start != bar_start:
# Save the completed bar (if any)
completed_bar = self.current_bar.copy() if self.current_bar is not None else None
# Start new bar
self.current_bar_start = bar_start
self.current_bar = {
'timestamp': bar_start,
'open': ohlcv_data['close'], # Use current close as open for new bar
'high': ohlcv_data['close'],
'low': ohlcv_data['close'],
'close': ohlcv_data['close'],
'volume': ohlcv_data['volume']
}
# Return the completed bar (if any)
if completed_bar is not None:
self.last_completed_bar = completed_bar
return completed_bar
else:
# Update current bar with new data
if self.current_bar is not None:
self.current_bar['high'] = max(self.current_bar['high'], ohlcv_data['high'])
self.current_bar['low'] = min(self.current_bar['low'], ohlcv_data['low'])
self.current_bar['close'] = ohlcv_data['close']
self.current_bar['volume'] += ohlcv_data['volume']
return None # No completed bar yet
def _get_bar_start_time(self, timestamp: pd.Timestamp) -> pd.Timestamp:
"""Calculate the start time of the timeframe bar for given timestamp.
This method now aligns with pandas resampling to ensure consistency
with the original strategy's bar boundaries.
"""
# Use pandas-style resampling alignment
# This ensures bars align to standard boundaries (e.g., 00:00, 00:15, 00:30, 00:45)
freq_str = f'{self.timeframe_minutes}min'
# Create a temporary series with the timestamp and resample to get the bar start
temp_series = pd.Series([1], index=[timestamp])
resampled = temp_series.resample(freq_str)
# Get the first group's name (which is the bar start time)
for bar_start, _ in resampled:
return bar_start
# Fallback to original method if resampling fails
minutes_since_midnight = timestamp.hour * 60 + timestamp.minute
bar_minutes = (minutes_since_midnight // self.timeframe_minutes) * self.timeframe_minutes
return timestamp.replace(
hour=bar_minutes // 60,
minute=bar_minutes % 60,
second=0,
microsecond=0
)
def get_current_bar(self) -> Optional[Dict[str, float]]:
"""Get the current incomplete bar (for debugging)."""
return self.current_bar.copy() if self.current_bar is not None else None
def reset(self):
"""Reset aggregator state."""
self.current_bar = None
self.current_bar_start = None
self.last_completed_bar = None
class IncStrategyBase(ABC):
"""
Abstract base class for all incremental trading strategies.
This class defines the interface that all incremental strategies must implement:
- get_minimum_buffer_size(): Specify minimum data requirements
- calculate_on_data(): Process new data points incrementally
- supports_incremental_calculation(): Whether strategy supports incremental mode
- get_entry_signal(): Generate entry signals
- get_exit_signal(): Generate exit signals
The incremental approach allows strategies to:
- Process new data points without full recalculation
- Maintain bounded memory usage regardless of data history length
- Provide real-time performance with minimal latency
- Support both initialization and incremental modes
- Accept minute-level data and internally aggregate to any timeframe
New Features:
- Built-in TimeframeAggregator for minute-level data processing
- update_minute_data() method for real-time trading systems
- Automatic timeframe detection and aggregation
- Backward compatibility with existing update() methods
Attributes:
name (str): Strategy name
weight (float): Strategy weight for combination
params (Dict): Strategy parameters
calculation_mode (str): Current mode ('initialization' or 'incremental')
is_warmed_up (bool): Whether strategy has sufficient data for reliable signals
timeframe_buffers (Dict): Rolling buffers for different timeframes
indicator_states (Dict): Internal indicator calculation states
timeframe_aggregator (TimeframeAggregator): Built-in aggregator for minute data
Example:
class MyIncStrategy(IncStrategyBase):
def get_minimum_buffer_size(self):
return {"15min": 50} # Strategy works on 15min timeframe
def calculate_on_data(self, new_data_point, timestamp):
# Process new data incrementally
self._update_indicators(new_data_point)
def get_entry_signal(self):
# Generate signal based on current state
if self._should_enter():
return IncStrategySignal("ENTRY", confidence=0.8)
return IncStrategySignal("HOLD", confidence=0.0)
# Usage with minute-level data:
strategy = MyIncStrategy(params={"timeframe_minutes": 15})
for minute_data in live_stream:
result = strategy.update_minute_data(minute_data['timestamp'], minute_data)
if result is not None: # Complete 15min bar formed
entry_signal = strategy.get_entry_signal()
"""
def __init__(self, name: str, weight: float = 1.0, params: Optional[Dict] = None):
"""
Initialize the incremental strategy base.
Args:
name: Strategy name/identifier
weight: Strategy weight for combination (default: 1.0)
params: Strategy-specific parameters
"""
self.name = name
self.weight = weight
self.params = params or {}
# Calculation state
self._calculation_mode = "initialization"
self._is_warmed_up = False
self._data_points_received = 0
# Timeframe management
self._timeframe_buffers = {}
self._timeframe_last_update = {}
self._buffer_size_multiplier = self.params.get("buffer_size_multiplier", 2.0)
# Built-in timeframe aggregation
self._primary_timeframe_minutes = self._extract_timeframe_minutes()
self._timeframe_aggregator = None
if self._primary_timeframe_minutes > 1:
self._timeframe_aggregator = TimeframeAggregator(self._primary_timeframe_minutes)
# Indicator states (strategy-specific)
self._indicator_states = {}
# Signal generation state
self._last_signals = {}
self._signal_history = deque(maxlen=100)
# Error handling
self._max_acceptable_gap = pd.Timedelta(self.params.get("max_acceptable_gap", "5min"))
self._state_validation_enabled = self.params.get("enable_state_validation", True)
# Performance monitoring
self._performance_metrics = {
'update_times': deque(maxlen=1000),
'signal_generation_times': deque(maxlen=1000),
'state_validation_failures': 0,
'data_gaps_handled': 0,
'minute_data_points_processed': 0,
'timeframe_bars_completed': 0
}
# Compatibility with original strategy interface
self.initialized = False
self.timeframes_data = {}
def _extract_timeframe_minutes(self) -> int:
"""
Extract timeframe in minutes from strategy parameters.
Looks for timeframe configuration in various parameter formats:
- timeframe_minutes: Direct specification in minutes
- timeframe: String format like "15min", "1h", etc.
Returns:
int: Timeframe in minutes (default: 1 for minute-level processing)
"""
# Direct specification
if "timeframe_minutes" in self.params:
return self.params["timeframe_minutes"]
# String format parsing
timeframe_str = self.params.get("timeframe", "1min")
if timeframe_str.endswith("min"):
return int(timeframe_str[:-3])
elif timeframe_str.endswith("h"):
return int(timeframe_str[:-1]) * 60
elif timeframe_str.endswith("d"):
return int(timeframe_str[:-1]) * 60 * 24
else:
# Default to 1 minute if can't parse
return 1
def update_minute_data(self, timestamp: pd.Timestamp, ohlcv_data: Dict[str, float]) -> Optional[Dict[str, Any]]:
"""
Update strategy with minute-level OHLCV data.
This method provides a standardized interface for real-time trading systems
that receive minute-level data. It internally aggregates to the strategy's
configured timeframe and only processes indicators when complete bars are formed.
Args:
timestamp: Timestamp of the minute data
ohlcv_data: Dictionary with 'open', 'high', 'low', 'close', 'volume'
Returns:
Strategy processing result if timeframe bar completed, None otherwise
Example:
# Process live minute data
result = strategy.update_minute_data(
timestamp=pd.Timestamp('2024-01-01 10:15:00'),
ohlcv_data={
'open': 100.0,
'high': 101.0,
'low': 99.5,
'close': 100.5,
'volume': 1000.0
}
)
if result is not None:
# A complete timeframe bar was formed and processed
entry_signal = strategy.get_entry_signal()
"""
self._performance_metrics['minute_data_points_processed'] += 1
# If no aggregator (1min strategy), process directly
if self._timeframe_aggregator is None:
self.calculate_on_data(ohlcv_data, timestamp)
return {
'timestamp': timestamp,
'timeframe_minutes': 1,
'processed_directly': True,
'is_warmed_up': self.is_warmed_up
}
# Use aggregator to accumulate minute data
completed_bar = self._timeframe_aggregator.update(timestamp, ohlcv_data)
if completed_bar is not None:
# A complete timeframe bar was formed
self._performance_metrics['timeframe_bars_completed'] += 1
# Process the completed bar
self.calculate_on_data(completed_bar, completed_bar['timestamp'])
# Return processing result
return {
'timestamp': completed_bar['timestamp'],
'timeframe_minutes': self._primary_timeframe_minutes,
'bar_data': completed_bar,
'is_warmed_up': self.is_warmed_up,
'processed_bar': True
}
# No complete bar yet
return None
def get_current_incomplete_bar(self) -> Optional[Dict[str, float]]:
"""
Get the current incomplete timeframe bar (for monitoring).
Useful for debugging and monitoring the aggregation process.
Returns:
Current incomplete bar data or None if no aggregator
"""
if self._timeframe_aggregator is not None:
return self._timeframe_aggregator.get_current_bar()
return None
@property
def calculation_mode(self) -> str:
"""Current calculation mode: 'initialization' or 'incremental'"""
return self._calculation_mode
@property
def is_warmed_up(self) -> bool:
"""Whether strategy has sufficient data for reliable signals"""
return self._is_warmed_up
@abstractmethod
def get_minimum_buffer_size(self) -> Dict[str, int]:
"""
Return minimum data points needed for each timeframe.
This method must be implemented by each strategy to specify how much
historical data is required for reliable calculations.
Returns:
Dict[str, int]: {timeframe: min_points} mapping
Example:
return {"15min": 50, "1min": 750} # 50 15min candles = 750 1min candles
"""
pass
@abstractmethod
def calculate_on_data(self, new_data_point: Dict[str, float], timestamp: pd.Timestamp) -> None:
"""
Process a single new data point incrementally.
This method is called for each new data point and should update
the strategy's internal state incrementally.
Args:
new_data_point: OHLCV data point {open, high, low, close, volume}
timestamp: Timestamp of the data point
"""
pass
@abstractmethod
def supports_incremental_calculation(self) -> bool:
"""
Whether strategy supports incremental calculation.
Returns:
bool: True if incremental mode supported, False for fallback to batch mode
"""
pass
@abstractmethod
def get_entry_signal(self) -> IncStrategySignal:
"""
Generate entry signal based on current strategy state.
This method should use the current internal state to determine
whether an entry signal should be generated.
Returns:
IncStrategySignal: Entry signal with confidence level
"""
pass
@abstractmethod
def get_exit_signal(self) -> IncStrategySignal:
"""
Generate exit signal based on current strategy state.
This method should use the current internal state to determine
whether an exit signal should be generated.
Returns:
IncStrategySignal: Exit signal with confidence level
"""
pass
def get_confidence(self) -> float:
"""
Get strategy confidence for the current market state.
Default implementation returns 1.0. Strategies can override
this to provide dynamic confidence based on market conditions.
Returns:
float: Confidence level (0.0 to 1.0)
"""
return 1.0
def reset_calculation_state(self) -> None:
"""Reset internal calculation state for reinitialization."""
self._calculation_mode = "initialization"
self._is_warmed_up = False
self._data_points_received = 0
self._timeframe_buffers.clear()
self._timeframe_last_update.clear()
self._indicator_states.clear()
self._last_signals.clear()
self._signal_history.clear()
# Reset timeframe aggregator
if self._timeframe_aggregator is not None:
self._timeframe_aggregator.reset()
# Reset performance metrics
for key in self._performance_metrics:
if isinstance(self._performance_metrics[key], deque):
self._performance_metrics[key].clear()
else:
self._performance_metrics[key] = 0
def get_current_state_summary(self) -> Dict[str, Any]:
"""Get summary of current calculation state for debugging."""
return {
'strategy_name': self.name,
'calculation_mode': self._calculation_mode,
'is_warmed_up': self._is_warmed_up,
'data_points_received': self._data_points_received,
'timeframes': list(self._timeframe_buffers.keys()),
'buffer_sizes': {tf: len(buf) for tf, buf in self._timeframe_buffers.items()},
'indicator_states': {name: state.get_state_summary() if hasattr(state, 'get_state_summary') else str(state)
for name, state in self._indicator_states.items()},
'last_signals': self._last_signals,
'timeframe_aggregator': {
'enabled': self._timeframe_aggregator is not None,
'primary_timeframe_minutes': self._primary_timeframe_minutes,
'current_incomplete_bar': self.get_current_incomplete_bar()
},
'performance_metrics': {
'avg_update_time': sum(self._performance_metrics['update_times']) / len(self._performance_metrics['update_times'])
if self._performance_metrics['update_times'] else 0,
'avg_signal_time': sum(self._performance_metrics['signal_generation_times']) / len(self._performance_metrics['signal_generation_times'])
if self._performance_metrics['signal_generation_times'] else 0,
'validation_failures': self._performance_metrics['state_validation_failures'],
'data_gaps_handled': self._performance_metrics['data_gaps_handled'],
'minute_data_points_processed': self._performance_metrics['minute_data_points_processed'],
'timeframe_bars_completed': self._performance_metrics['timeframe_bars_completed']
}
}
def _update_timeframe_buffers(self, new_data_point: Dict[str, float], timestamp: pd.Timestamp) -> None:
"""Update all timeframe buffers with new data point."""
# Get minimum buffer sizes
min_buffer_sizes = self.get_minimum_buffer_size()
for timeframe in min_buffer_sizes.keys():
# Calculate actual buffer size with multiplier
min_size = min_buffer_sizes[timeframe]
actual_buffer_size = int(min_size * self._buffer_size_multiplier)
# Initialize buffer if needed
if timeframe not in self._timeframe_buffers:
self._timeframe_buffers[timeframe] = deque(maxlen=actual_buffer_size)
self._timeframe_last_update[timeframe] = None
# Check if this timeframe should be updated
if self._should_update_timeframe(timeframe, timestamp):
# For 1min timeframe, add data directly
if timeframe == "1min":
data_point = new_data_point.copy()
data_point['timestamp'] = timestamp
self._timeframe_buffers[timeframe].append(data_point)
self._timeframe_last_update[timeframe] = timestamp
else:
# For other timeframes, we need to aggregate from 1min data
self._aggregate_to_timeframe(timeframe, new_data_point, timestamp)
def _should_update_timeframe(self, timeframe: str, timestamp: pd.Timestamp) -> bool:
"""Check if timeframe should be updated based on timestamp."""
if timeframe == "1min":
return True # Always update 1min
last_update = self._timeframe_last_update.get(timeframe)
if last_update is None:
return True # First update
# Calculate timeframe interval
if timeframe.endswith("min"):
minutes = int(timeframe[:-3])
interval = pd.Timedelta(minutes=minutes)
elif timeframe.endswith("h"):
hours = int(timeframe[:-1])
interval = pd.Timedelta(hours=hours)
else:
return True # Unknown timeframe, update anyway
# Check if enough time has passed
return timestamp >= last_update + interval
def _aggregate_to_timeframe(self, timeframe: str, new_data_point: Dict[str, float], timestamp: pd.Timestamp) -> None:
"""Aggregate 1min data to specified timeframe."""
# This is a simplified aggregation - in practice, you might want more sophisticated logic
buffer = self._timeframe_buffers[timeframe]
# If buffer is empty or we're starting a new period, add new candle
if not buffer or self._should_update_timeframe(timeframe, timestamp):
aggregated_point = new_data_point.copy()
aggregated_point['timestamp'] = timestamp
buffer.append(aggregated_point)
self._timeframe_last_update[timeframe] = timestamp
else:
# Update the last candle in the buffer
last_candle = buffer[-1]
last_candle['high'] = max(last_candle['high'], new_data_point['high'])
last_candle['low'] = min(last_candle['low'], new_data_point['low'])
last_candle['close'] = new_data_point['close']
last_candle['volume'] += new_data_point['volume']
def _get_timeframe_buffer(self, timeframe: str) -> pd.DataFrame:
"""Get current buffer for specific timeframe as DataFrame."""
if timeframe not in self._timeframe_buffers:
return pd.DataFrame()
buffer_data = list(self._timeframe_buffers[timeframe])
if not buffer_data:
return pd.DataFrame()
df = pd.DataFrame(buffer_data)
if 'timestamp' in df.columns:
df = df.set_index('timestamp')
return df
def _validate_calculation_state(self) -> bool:
"""Validate internal calculation state consistency."""
if not self._state_validation_enabled:
return True
try:
# Check that all required buffers exist
min_buffer_sizes = self.get_minimum_buffer_size()
for timeframe in min_buffer_sizes.keys():
if timeframe not in self._timeframe_buffers:
logging.warning(f"Missing buffer for timeframe {timeframe}")
return False
# Check that indicator states are valid
for name, state in self._indicator_states.items():
if hasattr(state, 'is_initialized') and not state.is_initialized:
logging.warning(f"Indicator {name} not initialized")
return False
return True
except Exception as e:
logging.error(f"State validation failed: {e}")
self._performance_metrics['state_validation_failures'] += 1
return False
def _recover_from_state_corruption(self) -> None:
"""Recover from corrupted calculation state."""
logging.warning(f"Recovering from state corruption in strategy {self.name}")
# Reset to initialization mode
self._calculation_mode = "initialization"
self._is_warmed_up = False
# Try to recalculate from available buffer data
try:
self._reinitialize_from_buffers()
except Exception as e:
logging.error(f"Failed to recover from buffers: {e}")
# Complete reset as last resort
self.reset_calculation_state()
def _reinitialize_from_buffers(self) -> None:
"""Reinitialize indicators from available buffer data."""
# This method should be overridden by specific strategies
# to implement their own recovery logic
pass
def handle_data_gap(self, gap_duration: pd.Timedelta) -> None:
"""Handle gaps in data stream."""
self._performance_metrics['data_gaps_handled'] += 1
if gap_duration > self._max_acceptable_gap:
logging.warning(f"Data gap {gap_duration} exceeds maximum acceptable gap {self._max_acceptable_gap}")
self._trigger_reinitialization()
else:
logging.info(f"Handling acceptable data gap: {gap_duration}")
# For small gaps, continue with current state
def _trigger_reinitialization(self) -> None:
"""Trigger strategy reinitialization due to data gap or corruption."""
logging.info(f"Triggering reinitialization for strategy {self.name}")
self.reset_calculation_state()
# Compatibility methods for original strategy interface
def get_timeframes(self) -> List[str]:
"""Get required timeframes (compatibility method)."""
return list(self.get_minimum_buffer_size().keys())
def initialize(self, backtester) -> None:
"""Initialize strategy (compatibility method)."""
# This method provides compatibility with the original strategy interface
# The actual initialization happens through the incremental interface
self.initialized = True
logging.info(f"Incremental strategy {self.name} initialized in compatibility mode")
def __repr__(self) -> str:
"""String representation of the strategy."""
return (f"{self.__class__.__name__}(name={self.name}, "
f"weight={self.weight}, mode={self._calculation_mode}, "
f"warmed_up={self._is_warmed_up}, "
f"data_points={self._data_points_received})")

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@@ -1,532 +0,0 @@
"""
Incremental BBRS Strategy
This module implements an incremental version of the Bollinger Bands + RSI Strategy (BBRS)
for real-time data processing. It maintains constant memory usage and provides
identical results to the batch implementation after the warm-up period.
Key Features:
- Accepts minute-level data input for real-time compatibility
- Internal timeframe aggregation (1min, 5min, 15min, 1h, etc.)
- Incremental Bollinger Bands calculation
- Incremental RSI calculation with Wilder's smoothing
- Market regime detection (trending vs sideways)
- Real-time signal generation
- Constant memory usage
"""
from typing import Dict, Optional, Union, Tuple
import numpy as np
import pandas as pd
from datetime import datetime, timedelta
from .indicators.bollinger_bands import BollingerBandsState
from .indicators.rsi import RSIState
class TimeframeAggregator:
"""
Handles real-time aggregation of minute data to higher timeframes.
This class accumulates minute-level OHLCV data and produces complete
bars when a timeframe period is completed.
"""
def __init__(self, timeframe_minutes: int = 15):
"""
Initialize timeframe aggregator.
Args:
timeframe_minutes: Target timeframe in minutes (e.g., 60 for 1h, 15 for 15min)
"""
self.timeframe_minutes = timeframe_minutes
self.current_bar = None
self.current_bar_start = None
self.last_completed_bar = None
def update(self, timestamp: pd.Timestamp, ohlcv_data: Dict[str, float]) -> Optional[Dict[str, float]]:
"""
Update with new minute data and return completed bar if timeframe is complete.
Args:
timestamp: Timestamp of the data
ohlcv_data: OHLCV data dictionary
Returns:
Completed OHLCV bar if timeframe period ended, None otherwise
"""
# Calculate which timeframe bar this timestamp belongs to
bar_start = self._get_bar_start_time(timestamp)
# Check if we're starting a new bar
if self.current_bar_start != bar_start:
# Save the completed bar (if any)
completed_bar = self.current_bar.copy() if self.current_bar is not None else None
# Start new bar
self.current_bar_start = bar_start
self.current_bar = {
'timestamp': bar_start,
'open': ohlcv_data['close'], # Use current close as open for new bar
'high': ohlcv_data['close'],
'low': ohlcv_data['close'],
'close': ohlcv_data['close'],
'volume': ohlcv_data['volume']
}
# Return the completed bar (if any)
if completed_bar is not None:
self.last_completed_bar = completed_bar
return completed_bar
else:
# Update current bar with new data
if self.current_bar is not None:
self.current_bar['high'] = max(self.current_bar['high'], ohlcv_data['high'])
self.current_bar['low'] = min(self.current_bar['low'], ohlcv_data['low'])
self.current_bar['close'] = ohlcv_data['close']
self.current_bar['volume'] += ohlcv_data['volume']
return None # No completed bar yet
def _get_bar_start_time(self, timestamp: pd.Timestamp) -> pd.Timestamp:
"""Calculate the start time of the timeframe bar for given timestamp."""
# Round down to the nearest timeframe boundary
minutes_since_midnight = timestamp.hour * 60 + timestamp.minute
bar_minutes = (minutes_since_midnight // self.timeframe_minutes) * self.timeframe_minutes
return timestamp.replace(
hour=bar_minutes // 60,
minute=bar_minutes % 60,
second=0,
microsecond=0
)
def get_current_bar(self) -> Optional[Dict[str, float]]:
"""Get the current incomplete bar (for debugging)."""
return self.current_bar.copy() if self.current_bar is not None else None
def reset(self):
"""Reset aggregator state."""
self.current_bar = None
self.current_bar_start = None
self.last_completed_bar = None
class BBRSIncrementalState:
"""
Incremental BBRS strategy state for real-time processing.
This class maintains all the state needed for the BBRS strategy and can
process new minute-level price data incrementally, internally aggregating
to the configured timeframe before running indicators.
Attributes:
timeframe_minutes (int): Strategy timeframe in minutes (default: 60 for 1h)
bb_period (int): Bollinger Bands period
rsi_period (int): RSI period
bb_width_threshold (float): BB width threshold for market regime detection
trending_bb_multiplier (float): BB multiplier for trending markets
sideways_bb_multiplier (float): BB multiplier for sideways markets
trending_rsi_thresholds (tuple): RSI thresholds for trending markets (low, high)
sideways_rsi_thresholds (tuple): RSI thresholds for sideways markets (low, high)
squeeze_strategy (bool): Enable squeeze strategy
Example:
# Initialize strategy for 1-hour timeframe
config = {
"timeframe_minutes": 60, # 1 hour bars
"bb_period": 20,
"rsi_period": 14,
"bb_width": 0.05,
"trending": {
"bb_std_dev_multiplier": 2.5,
"rsi_threshold": [30, 70]
},
"sideways": {
"bb_std_dev_multiplier": 1.8,
"rsi_threshold": [40, 60]
},
"SqueezeStrategy": True
}
strategy = BBRSIncrementalState(config)
# Process minute-level data in real-time
for minute_data in live_data_stream:
result = strategy.update_minute_data(minute_data['timestamp'], minute_data)
if result is not None: # New timeframe bar completed
if result['buy_signal']:
print("Buy signal generated!")
"""
def __init__(self, config: Dict):
"""
Initialize incremental BBRS strategy.
Args:
config: Strategy configuration dictionary
"""
# Store configuration
self.timeframe_minutes = config.get("timeframe_minutes", 60) # Default to 1 hour
self.bb_period = config.get("bb_period", 20)
self.rsi_period = config.get("rsi_period", 14)
self.bb_width_threshold = config.get("bb_width", 0.05)
# Market regime specific parameters
trending_config = config.get("trending", {})
sideways_config = config.get("sideways", {})
self.trending_bb_multiplier = trending_config.get("bb_std_dev_multiplier", 2.5)
self.sideways_bb_multiplier = sideways_config.get("bb_std_dev_multiplier", 1.8)
self.trending_rsi_thresholds = tuple(trending_config.get("rsi_threshold", [30, 70]))
self.sideways_rsi_thresholds = tuple(sideways_config.get("rsi_threshold", [40, 60]))
self.squeeze_strategy = config.get("SqueezeStrategy", True)
# Initialize timeframe aggregator
self.aggregator = TimeframeAggregator(self.timeframe_minutes)
# Initialize indicators with different multipliers for regime detection
self.bb_trending = BollingerBandsState(self.bb_period, self.trending_bb_multiplier)
self.bb_sideways = BollingerBandsState(self.bb_period, self.sideways_bb_multiplier)
self.bb_reference = BollingerBandsState(self.bb_period, 2.0) # For regime detection
self.rsi = RSIState(self.rsi_period)
# State tracking
self.bars_processed = 0
self.current_price = None
self.current_volume = None
self.volume_ma = None
self.volume_sum = 0.0
self.volume_history = [] # For volume MA calculation
# Signal state
self.last_buy_signal = False
self.last_sell_signal = False
self.last_result = None
def update_minute_data(self, timestamp: pd.Timestamp, ohlcv_data: Dict[str, float]) -> Optional[Dict[str, Union[float, bool]]]:
"""
Update strategy with new minute-level OHLCV data.
This method accepts minute-level data and internally aggregates to the
configured timeframe. It only processes indicators and generates signals
when a complete timeframe bar is formed.
Args:
timestamp: Timestamp of the minute data
ohlcv_data: Dictionary with 'open', 'high', 'low', 'close', 'volume'
Returns:
Strategy result dictionary if a timeframe bar completed, None otherwise
"""
# Validate input
required_keys = ['open', 'high', 'low', 'close', 'volume']
for key in required_keys:
if key not in ohlcv_data:
raise ValueError(f"Missing required key: {key}")
# Update timeframe aggregator
completed_bar = self.aggregator.update(timestamp, ohlcv_data)
if completed_bar is not None:
# Process the completed timeframe bar
return self._process_timeframe_bar(completed_bar)
return None # No completed bar yet
def update(self, ohlcv_data: Dict[str, float]) -> Dict[str, Union[float, bool]]:
"""
Update strategy with pre-aggregated timeframe data (for testing/compatibility).
This method is for backward compatibility and testing with pre-aggregated data.
For real-time use, prefer update_minute_data().
Args:
ohlcv_data: Dictionary with 'open', 'high', 'low', 'close', 'volume'
Returns:
Strategy result dictionary
"""
# Create a fake timestamp for compatibility
fake_timestamp = pd.Timestamp.now()
# Process directly as a completed bar
completed_bar = {
'timestamp': fake_timestamp,
'open': ohlcv_data['open'],
'high': ohlcv_data['high'],
'low': ohlcv_data['low'],
'close': ohlcv_data['close'],
'volume': ohlcv_data['volume']
}
return self._process_timeframe_bar(completed_bar)
def _process_timeframe_bar(self, bar_data: Dict[str, float]) -> Dict[str, Union[float, bool]]:
"""
Process a completed timeframe bar and generate signals.
Args:
bar_data: Completed timeframe bar data
Returns:
Strategy result dictionary
"""
close_price = float(bar_data['close'])
volume = float(bar_data['volume'])
# Update indicators
bb_trending_result = self.bb_trending.update(close_price)
bb_sideways_result = self.bb_sideways.update(close_price)
bb_reference_result = self.bb_reference.update(close_price)
rsi_value = self.rsi.update(close_price)
# Update volume tracking
self._update_volume_tracking(volume)
# Determine market regime
market_regime = self._determine_market_regime(bb_reference_result)
# Select appropriate BB values based on regime
if market_regime == "sideways":
bb_result = bb_sideways_result
rsi_thresholds = self.sideways_rsi_thresholds
else: # trending
bb_result = bb_trending_result
rsi_thresholds = self.trending_rsi_thresholds
# Generate signals
buy_signal, sell_signal = self._generate_signals(
close_price, volume, bb_result, rsi_value,
market_regime, rsi_thresholds
)
# Update state
self.current_price = close_price
self.current_volume = volume
self.bars_processed += 1
self.last_buy_signal = buy_signal
self.last_sell_signal = sell_signal
# Create comprehensive result
result = {
# Timeframe info
'timestamp': bar_data['timestamp'],
'timeframe_minutes': self.timeframe_minutes,
# Price data
'open': bar_data['open'],
'high': bar_data['high'],
'low': bar_data['low'],
'close': close_price,
'volume': volume,
# Bollinger Bands (regime-specific)
'upper_band': bb_result['upper_band'],
'middle_band': bb_result['middle_band'],
'lower_band': bb_result['lower_band'],
'bb_width': bb_result['bandwidth'],
# RSI
'rsi': rsi_value,
# Market regime
'market_regime': market_regime,
'bb_width_reference': bb_reference_result['bandwidth'],
# Volume analysis
'volume_ma': self.volume_ma,
'volume_spike': self._check_volume_spike(volume),
# Signals
'buy_signal': buy_signal,
'sell_signal': sell_signal,
# Strategy metadata
'is_warmed_up': self.is_warmed_up(),
'bars_processed': self.bars_processed,
'rsi_thresholds': rsi_thresholds,
'bb_multiplier': bb_result.get('std_dev', self.trending_bb_multiplier)
}
self.last_result = result
return result
def _update_volume_tracking(self, volume: float) -> None:
"""Update volume moving average tracking."""
# Simple moving average for volume (20 periods)
volume_period = 20
if len(self.volume_history) >= volume_period:
# Remove oldest volume
self.volume_sum -= self.volume_history[0]
self.volume_history.pop(0)
# Add new volume
self.volume_history.append(volume)
self.volume_sum += volume
# Calculate moving average
if len(self.volume_history) > 0:
self.volume_ma = self.volume_sum / len(self.volume_history)
else:
self.volume_ma = volume
def _determine_market_regime(self, bb_reference: Dict[str, float]) -> str:
"""
Determine market regime based on Bollinger Band width.
Args:
bb_reference: Reference BB result for regime detection
Returns:
"sideways" or "trending"
"""
if not self.bb_reference.is_warmed_up():
return "trending" # Default to trending during warm-up
bb_width = bb_reference['bandwidth']
if bb_width < self.bb_width_threshold:
return "sideways"
else:
return "trending"
def _check_volume_spike(self, current_volume: float) -> bool:
"""Check if current volume represents a spike (≥1.5× average)."""
if self.volume_ma is None or self.volume_ma == 0:
return False
return current_volume >= 1.5 * self.volume_ma
def _generate_signals(self, price: float, volume: float, bb_result: Dict[str, float],
rsi_value: float, market_regime: str,
rsi_thresholds: Tuple[float, float]) -> Tuple[bool, bool]:
"""
Generate buy/sell signals based on strategy logic.
Args:
price: Current close price
volume: Current volume
bb_result: Bollinger Bands result
rsi_value: Current RSI value
market_regime: "sideways" or "trending"
rsi_thresholds: (low_threshold, high_threshold)
Returns:
(buy_signal, sell_signal)
"""
# Don't generate signals during warm-up
if not self.is_warmed_up():
return False, False
# Don't generate signals if RSI is NaN
if np.isnan(rsi_value):
return False, False
upper_band = bb_result['upper_band']
lower_band = bb_result['lower_band']
rsi_low, rsi_high = rsi_thresholds
volume_spike = self._check_volume_spike(volume)
buy_signal = False
sell_signal = False
if market_regime == "sideways":
# Sideways market (Mean Reversion)
buy_condition = (price <= lower_band) and (rsi_value <= rsi_low)
sell_condition = (price >= upper_band) and (rsi_value >= rsi_high)
if self.squeeze_strategy:
# Add volume contraction filter for sideways markets
volume_contraction = volume < 0.7 * (self.volume_ma or volume)
buy_condition = buy_condition and volume_contraction
sell_condition = sell_condition and volume_contraction
buy_signal = buy_condition
sell_signal = sell_condition
else: # trending
# Trending market (Breakout Mode)
buy_condition = (price < lower_band) and (rsi_value < 50) and volume_spike
sell_condition = (price > upper_band) and (rsi_value > 50) and volume_spike
buy_signal = buy_condition
sell_signal = sell_condition
return buy_signal, sell_signal
def is_warmed_up(self) -> bool:
"""
Check if strategy is warmed up and ready for reliable signals.
Returns:
True if all indicators are warmed up
"""
return (self.bb_trending.is_warmed_up() and
self.bb_sideways.is_warmed_up() and
self.bb_reference.is_warmed_up() and
self.rsi.is_warmed_up() and
len(self.volume_history) >= 20)
def get_current_incomplete_bar(self) -> Optional[Dict[str, float]]:
"""
Get the current incomplete timeframe bar (for monitoring).
Returns:
Current incomplete bar data or None
"""
return self.aggregator.get_current_bar()
def reset(self) -> None:
"""Reset strategy state to initial conditions."""
self.aggregator.reset()
self.bb_trending.reset()
self.bb_sideways.reset()
self.bb_reference.reset()
self.rsi.reset()
self.bars_processed = 0
self.current_price = None
self.current_volume = None
self.volume_ma = None
self.volume_sum = 0.0
self.volume_history.clear()
self.last_buy_signal = False
self.last_sell_signal = False
self.last_result = None
def get_state_summary(self) -> Dict:
"""Get comprehensive state summary for debugging."""
return {
'strategy_type': 'BBRS_Incremental',
'timeframe_minutes': self.timeframe_minutes,
'bars_processed': self.bars_processed,
'is_warmed_up': self.is_warmed_up(),
'current_price': self.current_price,
'current_volume': self.current_volume,
'volume_ma': self.volume_ma,
'current_incomplete_bar': self.get_current_incomplete_bar(),
'last_signals': {
'buy': self.last_buy_signal,
'sell': self.last_sell_signal
},
'indicators': {
'bb_trending': self.bb_trending.get_state_summary(),
'bb_sideways': self.bb_sideways.get_state_summary(),
'bb_reference': self.bb_reference.get_state_summary(),
'rsi': self.rsi.get_state_summary()
},
'config': {
'bb_period': self.bb_period,
'rsi_period': self.rsi_period,
'bb_width_threshold': self.bb_width_threshold,
'trending_bb_multiplier': self.trending_bb_multiplier,
'sideways_bb_multiplier': self.sideways_bb_multiplier,
'trending_rsi_thresholds': self.trending_rsi_thresholds,
'sideways_rsi_thresholds': self.sideways_rsi_thresholds,
'squeeze_strategy': self.squeeze_strategy
}
}

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@@ -1,556 +0,0 @@
# BBRS Strategy Documentation
## Overview
The `BBRSIncrementalState` implements a sophisticated trading strategy combining Bollinger Bands and RSI indicators with market regime detection. It adapts its parameters based on market conditions (trending vs sideways) and provides real-time signal generation with volume analysis.
## Class: `BBRSIncrementalState`
### Purpose
- **Market Regime Detection**: Automatically detects trending vs sideways markets
- **Adaptive Parameters**: Uses different BB/RSI thresholds based on market regime
- **Volume Analysis**: Incorporates volume spikes for signal confirmation
- **Real-time Processing**: Processes minute-level data with timeframe aggregation
### Key Features
- **Dual Bollinger Bands**: Different multipliers for trending/sideways markets
- **RSI Integration**: Wilder's smoothing RSI with regime-specific thresholds
- **Volume Confirmation**: Volume spike detection for signal validation
- **Perfect Accuracy**: 100% accuracy after warm-up period
- **Squeeze Strategy**: Optional squeeze detection for breakout signals
## Strategy Logic
### Market Regime Detection
```python
# Trending market: BB width > threshold
if bb_width > bb_width_threshold:
regime = "trending"
bb_multiplier = 2.5
rsi_thresholds = [30, 70]
else:
regime = "sideways"
bb_multiplier = 1.8
rsi_thresholds = [40, 60]
```
### Signal Generation
- **Buy Signal**: Price touches lower BB + RSI below lower threshold + volume spike
- **Sell Signal**: Price touches upper BB + RSI above upper threshold + volume spike
- **Regime Adaptation**: Parameters automatically adjust based on market conditions
## Configuration Parameters
```python
config = {
"timeframe_minutes": 60, # 1-hour bars
"bb_period": 20, # Bollinger Bands period
"rsi_period": 14, # RSI period
"bb_width": 0.05, # BB width threshold for regime detection
"trending": {
"bb_std_dev_multiplier": 2.5,
"rsi_threshold": [30, 70]
},
"sideways": {
"bb_std_dev_multiplier": 1.8,
"rsi_threshold": [40, 60]
},
"SqueezeStrategy": True # Enable squeeze detection
}
```
## Real-time Usage Example
### Basic Implementation
```python
from cycles.IncStrategies.bbrs_incremental import BBRSIncrementalState
import pandas as pd
from datetime import datetime, timedelta
import random
# Initialize BBRS strategy
config = {
"timeframe_minutes": 60, # 1-hour bars
"bb_period": 20,
"rsi_period": 14,
"bb_width": 0.05,
"trending": {
"bb_std_dev_multiplier": 2.5,
"rsi_threshold": [30, 70]
},
"sideways": {
"bb_std_dev_multiplier": 1.8,
"rsi_threshold": [40, 60]
},
"SqueezeStrategy": True
}
strategy = BBRSIncrementalState(config)
# Simulate real-time minute data stream
def simulate_market_data():
"""Generate realistic market data with regime changes"""
base_price = 45000.0 # Starting price (e.g., BTC)
timestamp = datetime.now()
market_regime = "trending" # Start in trending mode
regime_counter = 0
while True:
# Simulate regime changes
regime_counter += 1
if regime_counter % 200 == 0: # Change regime every 200 minutes
market_regime = "sideways" if market_regime == "trending" else "trending"
print(f"📊 Market regime changed to: {market_regime.upper()}")
# Generate price movement based on regime
if market_regime == "trending":
# Trending: larger moves, more directional
price_change = random.gauss(0, 0.015) * base_price # ±1.5% std dev
else:
# Sideways: smaller moves, more mean-reverting
price_change = random.gauss(0, 0.008) * base_price # ±0.8% std dev
close = base_price + price_change
high = close + random.random() * 0.005 * base_price
low = close - random.random() * 0.005 * base_price
open_price = base_price
# Volume varies with volatility
base_volume = 1000
volume_multiplier = 1 + abs(price_change / base_price) * 10 # Higher volume with bigger moves
volume = int(base_volume * volume_multiplier * random.uniform(0.5, 2.0))
yield {
'timestamp': timestamp,
'open': open_price,
'high': high,
'low': low,
'close': close,
'volume': volume
}
base_price = close
timestamp += timedelta(minutes=1)
# Process real-time data
print("🚀 Starting BBRS Strategy Real-time Processing...")
print("📊 Waiting for 1-hour bars to form...")
for minute_data in simulate_market_data():
# Strategy handles minute-to-hour aggregation automatically
result = strategy.update_minute_data(
timestamp=pd.Timestamp(minute_data['timestamp']),
ohlcv_data=minute_data
)
# Check if a complete 1-hour bar was formed
if result is not None:
current_price = minute_data['close']
timestamp = minute_data['timestamp']
print(f"\n⏰ Complete 1h bar at {timestamp}")
print(f"💰 Price: ${current_price:,.2f}")
# Get strategy state
state = strategy.get_state_summary()
print(f"📈 Market Regime: {state.get('market_regime', 'Unknown')}")
print(f"🔍 BB Width: {state.get('bb_width', 0):.4f}")
print(f"📊 RSI: {state.get('rsi_value', 0):.2f}")
print(f"📈 Volume MA Ratio: {state.get('volume_ma_ratio', 0):.2f}")
# Check for signals only if strategy is warmed up
if strategy.is_warmed_up():
# Process buy signals
if result.get('buy_signal', False):
print(f"🟢 BUY SIGNAL GENERATED!")
print(f" 💵 Price: ${current_price:,.2f}")
print(f" 📊 RSI: {state.get('rsi_value', 0):.2f}")
print(f" 📈 BB Position: Lower band touch")
print(f" 🔊 Volume Spike: {state.get('volume_spike', False)}")
print(f" 🎯 Market Regime: {state.get('market_regime', 'Unknown')}")
# execute_buy_order(result)
# Process sell signals
if result.get('sell_signal', False):
print(f"🔴 SELL SIGNAL GENERATED!")
print(f" 💵 Price: ${current_price:,.2f}")
print(f" 📊 RSI: {state.get('rsi_value', 0):.2f}")
print(f" 📈 BB Position: Upper band touch")
print(f" 🔊 Volume Spike: {state.get('volume_spike', False)}")
print(f" 🎯 Market Regime: {state.get('market_regime', 'Unknown')}")
# execute_sell_order(result)
else:
warmup_progress = strategy.bars_processed
min_required = max(strategy.bb_period, strategy.rsi_period) + 10
print(f"🔄 Warming up... ({warmup_progress}/{min_required} bars)")
```
### Advanced Trading System Integration
```python
class BBRSTradingSystem:
def __init__(self, initial_capital=10000):
self.config = {
"timeframe_minutes": 60,
"bb_period": 20,
"rsi_period": 14,
"bb_width": 0.05,
"trending": {
"bb_std_dev_multiplier": 2.5,
"rsi_threshold": [30, 70]
},
"sideways": {
"bb_std_dev_multiplier": 1.8,
"rsi_threshold": [40, 60]
},
"SqueezeStrategy": True
}
self.strategy = BBRSIncrementalState(self.config)
self.capital = initial_capital
self.position = None
self.trades = []
self.equity_curve = []
def process_market_data(self, timestamp, ohlcv_data):
"""Process incoming market data and manage positions"""
# Update strategy
result = self.strategy.update_minute_data(timestamp, ohlcv_data)
if result is not None and self.strategy.is_warmed_up():
self._check_signals(timestamp, ohlcv_data['close'], result)
self._update_equity(timestamp, ohlcv_data['close'])
def _check_signals(self, timestamp, current_price, result):
"""Check for trading signals and execute trades"""
# Handle buy signals
if result.get('buy_signal', False) and self.position is None:
self._execute_entry(timestamp, current_price, 'BUY', result)
# Handle sell signals
if result.get('sell_signal', False) and self.position is not None:
self._execute_exit(timestamp, current_price, 'SELL', result)
def _execute_entry(self, timestamp, price, signal_type, result):
"""Execute entry trade"""
# Calculate position size (risk 2% of capital)
risk_amount = self.capital * 0.02
shares = risk_amount / price
state = self.strategy.get_state_summary()
self.position = {
'entry_time': timestamp,
'entry_price': price,
'shares': shares,
'signal_type': signal_type,
'market_regime': state.get('market_regime'),
'rsi_value': state.get('rsi_value'),
'bb_width': state.get('bb_width'),
'volume_spike': state.get('volume_spike', False)
}
print(f"🟢 {signal_type} POSITION OPENED")
print(f" 📅 Time: {timestamp}")
print(f" 💵 Price: ${price:,.2f}")
print(f" 📊 Shares: {shares:.4f}")
print(f" 🎯 Market Regime: {self.position['market_regime']}")
print(f" 📈 RSI: {self.position['rsi_value']:.2f}")
print(f" 🔊 Volume Spike: {self.position['volume_spike']}")
def _execute_exit(self, timestamp, price, signal_type, result):
"""Execute exit trade"""
if self.position:
# Calculate P&L
pnl = (price - self.position['entry_price']) * self.position['shares']
pnl_percent = (pnl / (self.position['entry_price'] * self.position['shares'])) * 100
# Update capital
self.capital += pnl
state = self.strategy.get_state_summary()
# Record trade
trade = {
'entry_time': self.position['entry_time'],
'exit_time': timestamp,
'entry_price': self.position['entry_price'],
'exit_price': price,
'shares': self.position['shares'],
'pnl': pnl,
'pnl_percent': pnl_percent,
'duration': timestamp - self.position['entry_time'],
'entry_regime': self.position['market_regime'],
'exit_regime': state.get('market_regime'),
'entry_rsi': self.position['rsi_value'],
'exit_rsi': state.get('rsi_value'),
'entry_volume_spike': self.position['volume_spike'],
'exit_volume_spike': state.get('volume_spike', False)
}
self.trades.append(trade)
print(f"🔴 {signal_type} POSITION CLOSED")
print(f" 📅 Time: {timestamp}")
print(f" 💵 Exit Price: ${price:,.2f}")
print(f" 💰 P&L: ${pnl:,.2f} ({pnl_percent:+.2f}%)")
print(f" ⏱️ Duration: {trade['duration']}")
print(f" 🎯 Regime: {trade['entry_regime']}{trade['exit_regime']}")
print(f" 💼 New Capital: ${self.capital:,.2f}")
self.position = None
def _update_equity(self, timestamp, current_price):
"""Update equity curve"""
if self.position:
unrealized_pnl = (current_price - self.position['entry_price']) * self.position['shares']
current_equity = self.capital + unrealized_pnl
else:
current_equity = self.capital
self.equity_curve.append({
'timestamp': timestamp,
'equity': current_equity,
'position': self.position is not None
})
def get_performance_summary(self):
"""Get trading performance summary"""
if not self.trades:
return {"message": "No completed trades yet"}
trades_df = pd.DataFrame(self.trades)
total_trades = len(trades_df)
winning_trades = len(trades_df[trades_df['pnl'] > 0])
losing_trades = len(trades_df[trades_df['pnl'] < 0])
win_rate = (winning_trades / total_trades) * 100
total_pnl = trades_df['pnl'].sum()
avg_win = trades_df[trades_df['pnl'] > 0]['pnl'].mean() if winning_trades > 0 else 0
avg_loss = trades_df[trades_df['pnl'] < 0]['pnl'].mean() if losing_trades > 0 else 0
# Regime-specific performance
trending_trades = trades_df[trades_df['entry_regime'] == 'trending']
sideways_trades = trades_df[trades_df['entry_regime'] == 'sideways']
return {
'total_trades': total_trades,
'winning_trades': winning_trades,
'losing_trades': losing_trades,
'win_rate': win_rate,
'total_pnl': total_pnl,
'avg_win': avg_win,
'avg_loss': avg_loss,
'profit_factor': abs(avg_win / avg_loss) if avg_loss != 0 else float('inf'),
'final_capital': self.capital,
'trending_trades': len(trending_trades),
'sideways_trades': len(sideways_trades),
'trending_win_rate': (len(trending_trades[trending_trades['pnl'] > 0]) / len(trending_trades) * 100) if len(trending_trades) > 0 else 0,
'sideways_win_rate': (len(sideways_trades[sideways_trades['pnl'] > 0]) / len(sideways_trades) * 100) if len(sideways_trades) > 0 else 0
}
# Usage Example
trading_system = BBRSTradingSystem(initial_capital=10000)
print("🚀 BBRS Trading System Started")
print("💰 Initial Capital: $10,000")
# Simulate live trading
for market_data in simulate_market_data():
trading_system.process_market_data(
timestamp=pd.Timestamp(market_data['timestamp']),
ohlcv_data=market_data
)
# Print performance summary every 100 bars
if len(trading_system.equity_curve) % 100 == 0 and trading_system.trades:
performance = trading_system.get_performance_summary()
print(f"\n📊 Performance Summary (after {len(trading_system.equity_curve)} bars):")
print(f" 💼 Capital: ${performance['final_capital']:,.2f}")
print(f" 📈 Total Trades: {performance['total_trades']}")
print(f" 🎯 Win Rate: {performance['win_rate']:.1f}%")
print(f" 💰 Total P&L: ${performance['total_pnl']:,.2f}")
print(f" 📊 Trending Trades: {performance['trending_trades']} (WR: {performance['trending_win_rate']:.1f}%)")
print(f" 📊 Sideways Trades: {performance['sideways_trades']} (WR: {performance['sideways_win_rate']:.1f}%)")
```
### Backtesting Example
```python
def backtest_bbrs_strategy(historical_data, config):
"""Comprehensive backtesting of BBRS strategy"""
strategy = BBRSIncrementalState(config)
signals = []
trades = []
current_position = None
print(f"🔄 Backtesting BBRS Strategy on {config['timeframe_minutes']}min timeframe...")
print(f"📊 Data period: {historical_data.index[0]} to {historical_data.index[-1]}")
# Process historical data
for timestamp, row in historical_data.iterrows():
ohlcv_data = {
'open': row['open'],
'high': row['high'],
'low': row['low'],
'close': row['close'],
'volume': row['volume']
}
# Update strategy
result = strategy.update_minute_data(timestamp, ohlcv_data)
if result is not None and strategy.is_warmed_up():
state = strategy.get_state_summary()
# Record buy signals
if result.get('buy_signal', False):
signals.append({
'timestamp': timestamp,
'type': 'BUY',
'price': row['close'],
'rsi': state.get('rsi_value'),
'bb_width': state.get('bb_width'),
'market_regime': state.get('market_regime'),
'volume_spike': state.get('volume_spike', False)
})
# Open position if none exists
if current_position is None:
current_position = {
'entry_time': timestamp,
'entry_price': row['close'],
'entry_regime': state.get('market_regime'),
'entry_rsi': state.get('rsi_value')
}
# Record sell signals
if result.get('sell_signal', False):
signals.append({
'timestamp': timestamp,
'type': 'SELL',
'price': row['close'],
'rsi': state.get('rsi_value'),
'bb_width': state.get('bb_width'),
'market_regime': state.get('market_regime'),
'volume_spike': state.get('volume_spike', False)
})
# Close position if exists
if current_position is not None:
pnl = row['close'] - current_position['entry_price']
pnl_percent = (pnl / current_position['entry_price']) * 100
trades.append({
'entry_time': current_position['entry_time'],
'exit_time': timestamp,
'entry_price': current_position['entry_price'],
'exit_price': row['close'],
'pnl': pnl,
'pnl_percent': pnl_percent,
'duration': timestamp - current_position['entry_time'],
'entry_regime': current_position['entry_regime'],
'exit_regime': state.get('market_regime'),
'entry_rsi': current_position['entry_rsi'],
'exit_rsi': state.get('rsi_value')
})
current_position = None
# Convert to DataFrames for analysis
signals_df = pd.DataFrame(signals)
trades_df = pd.DataFrame(trades)
# Calculate performance metrics
if len(trades_df) > 0:
total_trades = len(trades_df)
winning_trades = len(trades_df[trades_df['pnl'] > 0])
win_rate = (winning_trades / total_trades) * 100
total_return = trades_df['pnl_percent'].sum()
avg_return = trades_df['pnl_percent'].mean()
max_win = trades_df['pnl_percent'].max()
max_loss = trades_df['pnl_percent'].min()
# Regime-specific analysis
trending_trades = trades_df[trades_df['entry_regime'] == 'trending']
sideways_trades = trades_df[trades_df['entry_regime'] == 'sideways']
print(f"\n📊 Backtest Results:")
print(f" 📈 Total Signals: {len(signals_df)}")
print(f" 💼 Total Trades: {total_trades}")
print(f" 🎯 Win Rate: {win_rate:.1f}%")
print(f" 💰 Total Return: {total_return:.2f}%")
print(f" 📊 Average Return: {avg_return:.2f}%")
print(f" 🚀 Max Win: {max_win:.2f}%")
print(f" 📉 Max Loss: {max_loss:.2f}%")
print(f" 📈 Trending Trades: {len(trending_trades)} ({len(trending_trades[trending_trades['pnl'] > 0])} wins)")
print(f" 📊 Sideways Trades: {len(sideways_trades)} ({len(sideways_trades[sideways_trades['pnl'] > 0])} wins)")
return signals_df, trades_df
else:
print("❌ No completed trades in backtest period")
return signals_df, pd.DataFrame()
# Run backtest (example)
# historical_data = pd.read_csv('btc_1min_data.csv', index_col='timestamp', parse_dates=True)
# config = {
# "timeframe_minutes": 60,
# "bb_period": 20,
# "rsi_period": 14,
# "bb_width": 0.05,
# "trending": {"bb_std_dev_multiplier": 2.5, "rsi_threshold": [30, 70]},
# "sideways": {"bb_std_dev_multiplier": 1.8, "rsi_threshold": [40, 60]},
# "SqueezeStrategy": True
# }
# signals, trades = backtest_bbrs_strategy(historical_data, config)
```
## Performance Characteristics
### Timing Benchmarks
- **Update Time**: <1ms per 1-hour bar
- **Signal Generation**: <0.5ms per signal
- **Memory Usage**: ~8MB constant
- **Accuracy**: 100% after warm-up period
### Signal Quality
- **Regime Adaptation**: Automatically adjusts to market conditions
- **Volume Confirmation**: Reduces false signals by ~40%
- **Signal Match Rate**: 95.45% vs original implementation
- **False Signal Reduction**: Adaptive thresholds reduce noise
## Best Practices
1. **Timeframe Selection**: 1h-4h timeframes work best for BB/RSI combination
2. **Regime Monitoring**: Track market regime changes for strategy performance
3. **Volume Analysis**: Use volume spikes for signal confirmation
4. **Parameter Tuning**: Adjust BB width threshold based on asset volatility
5. **Risk Management**: Implement proper position sizing and stop-losses
## Troubleshooting
### Common Issues
1. **No Signals**: Check if strategy is warmed up (needs ~30+ bars)
2. **Too Many Signals**: Increase BB width threshold or RSI thresholds
3. **Poor Performance**: Verify market regime detection is working correctly
4. **Memory Usage**: Monitor volume history buffer size
### Debug Information
```python
# Get detailed strategy state
state = strategy.get_state_summary()
print(f"Strategy State: {state}")
# Check current incomplete bar
current_bar = strategy.get_current_incomplete_bar()
if current_bar:
print(f"Current Bar: {current_bar}")
# Monitor regime changes
print(f"Market Regime: {state.get('market_regime')}")
print(f"BB Width: {state.get('bb_width'):.4f} (threshold: {strategy.bb_width_threshold})")
```

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@@ -1,470 +0,0 @@
# MetaTrend Strategy Documentation
## Overview
The `IncMetaTrendStrategy` implements a sophisticated trend-following strategy using multiple Supertrend indicators to determine market direction. It generates entry/exit signals based on meta-trend changes, providing robust trend detection with reduced false signals.
## Class: `IncMetaTrendStrategy`
### Purpose
- **Trend Detection**: Uses 3 Supertrend indicators to identify strong trends
- **Meta-trend Analysis**: Combines multiple timeframes for robust signal generation
- **Real-time Processing**: Processes minute-level data with configurable timeframe aggregation
### Key Features
- **Multi-Supertrend Analysis**: 3 Supertrend indicators with different parameters
- **Meta-trend Logic**: Signals only when all indicators agree
- **High Accuracy**: 98.5% accuracy vs corrected original implementation
- **Fast Processing**: <1ms updates, sub-millisecond signal generation
## Strategy Logic
### Supertrend Configuration
```python
supertrend_configs = [
(12, 3.0), # period=12, multiplier=3.0 (Conservative)
(10, 1.0), # period=10, multiplier=1.0 (Sensitive)
(11, 2.0) # period=11, multiplier=2.0 (Balanced)
]
```
### Meta-trend Calculation
- **Meta-trend = 1**: All 3 Supertrends indicate uptrend (BUY condition)
- **Meta-trend = -1**: All 3 Supertrends indicate downtrend (SELL condition)
- **Meta-trend = 0**: Supertrends disagree (NEUTRAL - no action)
### Signal Generation
- **Entry Signal**: Meta-trend changes from != 1 to == 1
- **Exit Signal**: Meta-trend changes from != -1 to == -1
## Configuration Parameters
```python
params = {
"timeframe": "15min", # Primary analysis timeframe
"enable_logging": False, # Enable detailed logging
"buffer_size_multiplier": 2.0 # Memory management multiplier
}
```
## Real-time Usage Example
### Basic Implementation
```python
from cycles.IncStrategies.metatrend_strategy import IncMetaTrendStrategy
import pandas as pd
from datetime import datetime, timedelta
import random
# Initialize MetaTrend strategy
strategy = IncMetaTrendStrategy(
name="metatrend",
weight=1.0,
params={
"timeframe": "15min", # 15-minute analysis
"enable_logging": True # Enable detailed logging
}
)
# Simulate real-time minute data stream
def simulate_market_data():
"""Generate realistic market data with trends"""
base_price = 50000.0 # Starting price (e.g., BTC)
timestamp = datetime.now()
trend_direction = 1 # 1 for up, -1 for down
trend_strength = 0.001 # Trend strength
while True:
# Add trend and noise
trend_move = trend_direction * trend_strength * base_price
noise = (random.random() - 0.5) * 0.002 * base_price # ±0.2% noise
price_change = trend_move + noise
close = base_price + price_change
high = close + random.random() * 0.001 * base_price
low = close - random.random() * 0.001 * base_price
open_price = base_price
volume = random.randint(100, 1000)
# Occasionally change trend direction
if random.random() < 0.01: # 1% chance per minute
trend_direction *= -1
print(f"📈 Trend direction changed to {'UP' if trend_direction > 0 else 'DOWN'}")
yield {
'timestamp': timestamp,
'open': open_price,
'high': high,
'low': low,
'close': close,
'volume': volume
}
base_price = close
timestamp += timedelta(minutes=1)
# Process real-time data
print("🚀 Starting MetaTrend Strategy Real-time Processing...")
print("📊 Waiting for 15-minute bars to form...")
for minute_data in simulate_market_data():
# Strategy handles minute-to-15min aggregation automatically
result = strategy.update_minute_data(
timestamp=pd.Timestamp(minute_data['timestamp']),
ohlcv_data=minute_data
)
# Check if a complete 15-minute bar was formed
if result is not None:
current_price = minute_data['close']
timestamp = minute_data['timestamp']
print(f"\n⏰ Complete 15min bar at {timestamp}")
print(f"💰 Price: ${current_price:,.2f}")
# Get current meta-trend state
meta_trend = strategy.get_current_meta_trend()
individual_trends = strategy.get_individual_supertrend_states()
print(f"📈 Meta-trend: {meta_trend}")
print(f"🔍 Individual Supertrends: {[s['trend'] for s in individual_trends]}")
# Check for signals only if strategy is warmed up
if strategy.is_warmed_up:
entry_signal = strategy.get_entry_signal()
exit_signal = strategy.get_exit_signal()
# Process entry signals
if entry_signal.signal_type == "ENTRY":
print(f"🟢 ENTRY SIGNAL GENERATED!")
print(f" 💪 Confidence: {entry_signal.confidence:.2f}")
print(f" 💵 Price: ${entry_signal.price:,.2f}")
print(f" 📊 Meta-trend: {entry_signal.metadata.get('meta_trend')}")
print(f" 🎯 All Supertrends aligned for UPTREND")
# execute_buy_order(entry_signal)
# Process exit signals
if exit_signal.signal_type == "EXIT":
print(f"🔴 EXIT SIGNAL GENERATED!")
print(f" 💪 Confidence: {exit_signal.confidence:.2f}")
print(f" 💵 Price: ${exit_signal.price:,.2f}")
print(f" 📊 Meta-trend: {exit_signal.metadata.get('meta_trend')}")
print(f" 🎯 All Supertrends aligned for DOWNTREND")
# execute_sell_order(exit_signal)
else:
warmup_progress = len(strategy._meta_trend_history)
min_required = max(strategy.get_minimum_buffer_size().values())
print(f"🔄 Warming up... ({warmup_progress}/{min_required} bars)")
```
### Advanced Trading System Integration
```python
class MetaTrendTradingSystem:
def __init__(self, initial_capital=10000):
self.strategy = IncMetaTrendStrategy(
name="metatrend_live",
weight=1.0,
params={
"timeframe": "15min",
"enable_logging": False # Disable for production
}
)
self.capital = initial_capital
self.position = None
self.trades = []
self.equity_curve = []
def process_market_data(self, timestamp, ohlcv_data):
"""Process incoming market data and manage positions"""
# Update strategy
result = self.strategy.update_minute_data(timestamp, ohlcv_data)
if result is not None and self.strategy.is_warmed_up:
self._check_signals(timestamp, ohlcv_data['close'])
self._update_equity(timestamp, ohlcv_data['close'])
def _check_signals(self, timestamp, current_price):
"""Check for trading signals and execute trades"""
entry_signal = self.strategy.get_entry_signal()
exit_signal = self.strategy.get_exit_signal()
# Handle entry signals
if entry_signal.signal_type == "ENTRY" and self.position is None:
self._execute_entry(timestamp, entry_signal)
# Handle exit signals
if exit_signal.signal_type == "EXIT" and self.position is not None:
self._execute_exit(timestamp, exit_signal)
def _execute_entry(self, timestamp, signal):
"""Execute entry trade"""
# Calculate position size (risk 2% of capital)
risk_amount = self.capital * 0.02
# Simple position sizing - could be more sophisticated
shares = risk_amount / signal.price
self.position = {
'entry_time': timestamp,
'entry_price': signal.price,
'shares': shares,
'confidence': signal.confidence,
'meta_trend': signal.metadata.get('meta_trend'),
'individual_trends': signal.metadata.get('individual_trends', [])
}
print(f"🟢 LONG POSITION OPENED")
print(f" 📅 Time: {timestamp}")
print(f" 💵 Price: ${signal.price:,.2f}")
print(f" 📊 Shares: {shares:.4f}")
print(f" 💪 Confidence: {signal.confidence:.2f}")
print(f" 📈 Meta-trend: {self.position['meta_trend']}")
def _execute_exit(self, timestamp, signal):
"""Execute exit trade"""
if self.position:
# Calculate P&L
pnl = (signal.price - self.position['entry_price']) * self.position['shares']
pnl_percent = (pnl / (self.position['entry_price'] * self.position['shares'])) * 100
# Update capital
self.capital += pnl
# Record trade
trade = {
'entry_time': self.position['entry_time'],
'exit_time': timestamp,
'entry_price': self.position['entry_price'],
'exit_price': signal.price,
'shares': self.position['shares'],
'pnl': pnl,
'pnl_percent': pnl_percent,
'duration': timestamp - self.position['entry_time'],
'entry_confidence': self.position['confidence'],
'exit_confidence': signal.confidence
}
self.trades.append(trade)
print(f"🔴 LONG POSITION CLOSED")
print(f" 📅 Time: {timestamp}")
print(f" 💵 Exit Price: ${signal.price:,.2f}")
print(f" 💰 P&L: ${pnl:,.2f} ({pnl_percent:+.2f}%)")
print(f" ⏱️ Duration: {trade['duration']}")
print(f" 💼 New Capital: ${self.capital:,.2f}")
self.position = None
def _update_equity(self, timestamp, current_price):
"""Update equity curve"""
if self.position:
unrealized_pnl = (current_price - self.position['entry_price']) * self.position['shares']
current_equity = self.capital + unrealized_pnl
else:
current_equity = self.capital
self.equity_curve.append({
'timestamp': timestamp,
'equity': current_equity,
'position': self.position is not None
})
def get_performance_summary(self):
"""Get trading performance summary"""
if not self.trades:
return {"message": "No completed trades yet"}
trades_df = pd.DataFrame(self.trades)
total_trades = len(trades_df)
winning_trades = len(trades_df[trades_df['pnl'] > 0])
losing_trades = len(trades_df[trades_df['pnl'] < 0])
win_rate = (winning_trades / total_trades) * 100
total_pnl = trades_df['pnl'].sum()
avg_win = trades_df[trades_df['pnl'] > 0]['pnl'].mean() if winning_trades > 0 else 0
avg_loss = trades_df[trades_df['pnl'] < 0]['pnl'].mean() if losing_trades > 0 else 0
return {
'total_trades': total_trades,
'winning_trades': winning_trades,
'losing_trades': losing_trades,
'win_rate': win_rate,
'total_pnl': total_pnl,
'avg_win': avg_win,
'avg_loss': avg_loss,
'profit_factor': abs(avg_win / avg_loss) if avg_loss != 0 else float('inf'),
'final_capital': self.capital
}
# Usage Example
trading_system = MetaTrendTradingSystem(initial_capital=10000)
print("🚀 MetaTrend Trading System Started")
print("💰 Initial Capital: $10,000")
# Simulate live trading
for market_data in simulate_market_data():
trading_system.process_market_data(
timestamp=pd.Timestamp(market_data['timestamp']),
ohlcv_data=market_data
)
# Print performance summary every 100 bars
if len(trading_system.equity_curve) % 100 == 0 and trading_system.trades:
performance = trading_system.get_performance_summary()
print(f"\n📊 Performance Summary (after {len(trading_system.equity_curve)} bars):")
print(f" 💼 Capital: ${performance['final_capital']:,.2f}")
print(f" 📈 Total Trades: {performance['total_trades']}")
print(f" 🎯 Win Rate: {performance['win_rate']:.1f}%")
print(f" 💰 Total P&L: ${performance['total_pnl']:,.2f}")
```
### Backtesting Example
```python
def backtest_metatrend_strategy(historical_data, timeframe="15min"):
"""Comprehensive backtesting of MetaTrend strategy"""
strategy = IncMetaTrendStrategy(
name="metatrend_backtest",
weight=1.0,
params={
"timeframe": timeframe,
"enable_logging": False
}
)
signals = []
trades = []
current_position = None
print(f"🔄 Backtesting MetaTrend Strategy on {timeframe} timeframe...")
print(f"📊 Data period: {historical_data.index[0]} to {historical_data.index[-1]}")
# Process historical data
for timestamp, row in historical_data.iterrows():
ohlcv_data = {
'open': row['open'],
'high': row['high'],
'low': row['low'],
'close': row['close'],
'volume': row['volume']
}
# Update strategy
result = strategy.update_minute_data(timestamp, ohlcv_data)
if result is not None and strategy.is_warmed_up:
entry_signal = strategy.get_entry_signal()
exit_signal = strategy.get_exit_signal()
# Record entry signals
if entry_signal.signal_type == "ENTRY":
signals.append({
'timestamp': timestamp,
'type': 'ENTRY',
'price': entry_signal.price,
'confidence': entry_signal.confidence,
'meta_trend': entry_signal.metadata.get('meta_trend')
})
# Open position if none exists
if current_position is None:
current_position = {
'entry_time': timestamp,
'entry_price': entry_signal.price,
'confidence': entry_signal.confidence
}
# Record exit signals
if exit_signal.signal_type == "EXIT":
signals.append({
'timestamp': timestamp,
'type': 'EXIT',
'price': exit_signal.price,
'confidence': exit_signal.confidence,
'meta_trend': exit_signal.metadata.get('meta_trend')
})
# Close position if exists
if current_position is not None:
pnl = exit_signal.price - current_position['entry_price']
pnl_percent = (pnl / current_position['entry_price']) * 100
trades.append({
'entry_time': current_position['entry_time'],
'exit_time': timestamp,
'entry_price': current_position['entry_price'],
'exit_price': exit_signal.price,
'pnl': pnl,
'pnl_percent': pnl_percent,
'duration': timestamp - current_position['entry_time'],
'entry_confidence': current_position['confidence'],
'exit_confidence': exit_signal.confidence
})
current_position = None
# Convert to DataFrames for analysis
signals_df = pd.DataFrame(signals)
trades_df = pd.DataFrame(trades)
# Calculate performance metrics
if len(trades_df) > 0:
total_trades = len(trades_df)
winning_trades = len(trades_df[trades_df['pnl'] > 0])
win_rate = (winning_trades / total_trades) * 100
total_return = trades_df['pnl_percent'].sum()
avg_return = trades_df['pnl_percent'].mean()
max_win = trades_df['pnl_percent'].max()
max_loss = trades_df['pnl_percent'].min()
print(f"\n📊 Backtest Results:")
print(f" 📈 Total Signals: {len(signals_df)}")
print(f" 💼 Total Trades: {total_trades}")
print(f" 🎯 Win Rate: {win_rate:.1f}%")
print(f" 💰 Total Return: {total_return:.2f}%")
print(f" 📊 Average Return: {avg_return:.2f}%")
print(f" 🚀 Max Win: {max_win:.2f}%")
print(f" 📉 Max Loss: {max_loss:.2f}%")
return signals_df, trades_df
else:
print("❌ No completed trades in backtest period")
return signals_df, pd.DataFrame()
# Run backtest (example)
# historical_data = pd.read_csv('btc_1min_data.csv', index_col='timestamp', parse_dates=True)
# signals, trades = backtest_metatrend_strategy(historical_data, timeframe="15min")
```
## Performance Characteristics
### Timing Benchmarks
- **Update Time**: <1ms per 15-minute bar
- **Signal Generation**: <0.5ms per signal
- **Memory Usage**: ~5MB constant
- **Accuracy**: 98.5% vs original implementation
## Troubleshooting
### Common Issues
1. **No Signals**: Check if strategy is warmed up (needs ~50+ bars)
2. **Conflicting Trends**: Normal behavior - wait for alignment
3. **Late Signals**: Meta-trend prioritizes accuracy over speed
4. **Memory Usage**: Monitor buffer sizes in long-running systems
### Debug Information
```python
# Get detailed strategy state
state = strategy.get_current_state_summary()
print(f"Strategy State: {state}")
# Get meta-trend history
history = strategy.get_meta_trend_history(limit=10)
for entry in history:
print(f"{entry['timestamp']}: Meta-trend={entry['meta_trend']}, Trends={entry['individual_trends']}")
```

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@@ -1,342 +0,0 @@
# RandomStrategy Documentation
## Overview
The `IncRandomStrategy` is a testing strategy that generates random entry and exit signals with configurable probability and confidence levels. It's designed to test the incremental strategy framework and signal processing system while providing a baseline for performance comparisons.
## Class: `IncRandomStrategy`
### Purpose
- **Testing Framework**: Validates incremental strategy system functionality
- **Performance Baseline**: Provides minimal processing overhead for benchmarking
- **Signal Testing**: Tests signal generation and processing pipelines
### Key Features
- **Minimal Processing**: Extremely fast updates (0.006ms)
- **Configurable Randomness**: Adjustable signal probabilities and confidence levels
- **Reproducible Results**: Optional random seed for consistent testing
- **Real-time Compatible**: Processes minute-level data with timeframe aggregation
## Configuration Parameters
```python
params = {
"entry_probability": 0.05, # 5% chance of entry signal per bar
"exit_probability": 0.1, # 10% chance of exit signal per bar
"min_confidence": 0.6, # Minimum signal confidence
"max_confidence": 0.9, # Maximum signal confidence
"timeframe": "1min", # Operating timeframe
"signal_frequency": 1, # Signal every N bars
"random_seed": 42 # Optional seed for reproducibility
}
```
## Real-time Usage Example
### Basic Implementation
```python
from cycles.IncStrategies.random_strategy import IncRandomStrategy
import pandas as pd
from datetime import datetime, timedelta
# Initialize strategy
strategy = IncRandomStrategy(
weight=1.0,
params={
"entry_probability": 0.1, # 10% chance per bar
"exit_probability": 0.15, # 15% chance per bar
"min_confidence": 0.7,
"max_confidence": 0.9,
"timeframe": "5min", # 5-minute bars
"signal_frequency": 3, # Signal every 3 bars
"random_seed": 42 # Reproducible for testing
}
)
# Simulate real-time minute data stream
def simulate_live_data():
"""Simulate live minute-level OHLCV data"""
base_price = 100.0
timestamp = datetime.now()
while True:
# Generate realistic OHLCV data
price_change = (random.random() - 0.5) * 2 # ±1 price movement
close = base_price + price_change
high = close + random.random() * 0.5
low = close - random.random() * 0.5
open_price = base_price
volume = random.randint(1000, 5000)
yield {
'timestamp': timestamp,
'open': open_price,
'high': high,
'low': low,
'close': close,
'volume': volume
}
base_price = close
timestamp += timedelta(minutes=1)
# Process real-time data
for minute_data in simulate_live_data():
# Strategy handles timeframe aggregation (1min -> 5min)
result = strategy.update_minute_data(
timestamp=pd.Timestamp(minute_data['timestamp']),
ohlcv_data=minute_data
)
# Check if a complete 5-minute bar was formed
if result is not None:
print(f"Complete 5min bar at {minute_data['timestamp']}")
# Get signals
entry_signal = strategy.get_entry_signal()
exit_signal = strategy.get_exit_signal()
# Process entry signals
if entry_signal.signal_type == "ENTRY":
print(f"🟢 ENTRY Signal - Confidence: {entry_signal.confidence:.2f}")
print(f" Price: ${entry_signal.price:.2f}")
print(f" Metadata: {entry_signal.metadata}")
# execute_buy_order(entry_signal)
# Process exit signals
if exit_signal.signal_type == "EXIT":
print(f"🔴 EXIT Signal - Confidence: {exit_signal.confidence:.2f}")
print(f" Price: ${exit_signal.price:.2f}")
print(f" Metadata: {exit_signal.metadata}")
# execute_sell_order(exit_signal)
# Monitor strategy state
if strategy.is_warmed_up:
state = strategy.get_current_state_summary()
print(f"Strategy State: {state}")
```
### Integration with Trading System
```python
class LiveTradingSystem:
def __init__(self):
self.strategy = IncRandomStrategy(
weight=1.0,
params={
"entry_probability": 0.08,
"exit_probability": 0.12,
"min_confidence": 0.75,
"max_confidence": 0.95,
"timeframe": "15min",
"random_seed": None # True randomness for live trading
}
)
self.position = None
self.orders = []
def process_market_data(self, timestamp, ohlcv_data):
"""Process incoming market data"""
# Update strategy with new data
result = self.strategy.update_minute_data(timestamp, ohlcv_data)
if result is not None: # Complete timeframe bar
self._check_signals()
def _check_signals(self):
"""Check for trading signals"""
entry_signal = self.strategy.get_entry_signal()
exit_signal = self.strategy.get_exit_signal()
# Handle entry signals
if entry_signal.signal_type == "ENTRY" and self.position is None:
self._execute_entry(entry_signal)
# Handle exit signals
if exit_signal.signal_type == "EXIT" and self.position is not None:
self._execute_exit(exit_signal)
def _execute_entry(self, signal):
"""Execute entry order"""
order = {
'type': 'BUY',
'price': signal.price,
'confidence': signal.confidence,
'timestamp': signal.metadata.get('timestamp'),
'strategy': 'random'
}
print(f"Executing BUY order: {order}")
self.orders.append(order)
self.position = order
def _execute_exit(self, signal):
"""Execute exit order"""
if self.position:
order = {
'type': 'SELL',
'price': signal.price,
'confidence': signal.confidence,
'timestamp': signal.metadata.get('timestamp'),
'entry_price': self.position['price'],
'pnl': signal.price - self.position['price']
}
print(f"Executing SELL order: {order}")
self.orders.append(order)
self.position = None
# Usage
trading_system = LiveTradingSystem()
# Connect to live data feed
for market_tick in live_market_feed:
trading_system.process_market_data(
timestamp=market_tick['timestamp'],
ohlcv_data=market_tick
)
```
### Backtesting Example
```python
import pandas as pd
def backtest_random_strategy(historical_data):
"""Backtest RandomStrategy on historical data"""
strategy = IncRandomStrategy(
weight=1.0,
params={
"entry_probability": 0.05,
"exit_probability": 0.08,
"min_confidence": 0.8,
"max_confidence": 0.95,
"timeframe": "1h",
"random_seed": 123 # Reproducible results
}
)
signals = []
positions = []
current_position = None
# Process historical data
for timestamp, row in historical_data.iterrows():
ohlcv_data = {
'open': row['open'],
'high': row['high'],
'low': row['low'],
'close': row['close'],
'volume': row['volume']
}
# Update strategy (assuming data is already in target timeframe)
result = strategy.update_minute_data(timestamp, ohlcv_data)
if result is not None and strategy.is_warmed_up:
entry_signal = strategy.get_entry_signal()
exit_signal = strategy.get_exit_signal()
# Record signals
if entry_signal.signal_type == "ENTRY":
signals.append({
'timestamp': timestamp,
'type': 'ENTRY',
'price': entry_signal.price,
'confidence': entry_signal.confidence
})
if current_position is None:
current_position = {
'entry_time': timestamp,
'entry_price': entry_signal.price,
'confidence': entry_signal.confidence
}
if exit_signal.signal_type == "EXIT" and current_position:
signals.append({
'timestamp': timestamp,
'type': 'EXIT',
'price': exit_signal.price,
'confidence': exit_signal.confidence
})
# Close position
pnl = exit_signal.price - current_position['entry_price']
positions.append({
'entry_time': current_position['entry_time'],
'exit_time': timestamp,
'entry_price': current_position['entry_price'],
'exit_price': exit_signal.price,
'pnl': pnl,
'duration': timestamp - current_position['entry_time']
})
current_position = None
return pd.DataFrame(signals), pd.DataFrame(positions)
# Run backtest
# historical_data = pd.read_csv('historical_data.csv', index_col='timestamp', parse_dates=True)
# signals_df, positions_df = backtest_random_strategy(historical_data)
# print(f"Generated {len(signals_df)} signals and {len(positions_df)} completed trades")
```
## Performance Characteristics
### Timing Benchmarks
- **Update Time**: ~0.006ms per data point
- **Signal Generation**: ~0.048ms per signal
- **Memory Usage**: <1MB constant
- **Throughput**: >100,000 updates/second
## Testing and Validation
### Unit Tests
```python
def test_random_strategy():
"""Test RandomStrategy functionality"""
strategy = IncRandomStrategy(
params={
"entry_probability": 1.0, # Always generate signals
"exit_probability": 1.0,
"random_seed": 42
}
)
# Test data
test_data = {
'open': 100.0,
'high': 101.0,
'low': 99.0,
'close': 100.5,
'volume': 1000
}
timestamp = pd.Timestamp('2024-01-01 10:00:00')
# Process data
result = strategy.update_minute_data(timestamp, test_data)
# Verify signals
entry_signal = strategy.get_entry_signal()
exit_signal = strategy.get_exit_signal()
assert entry_signal.signal_type == "ENTRY"
assert exit_signal.signal_type == "EXIT"
assert 0.6 <= entry_signal.confidence <= 0.9
assert 0.6 <= exit_signal.confidence <= 0.9
# Run test
test_random_strategy()
print("✅ RandomStrategy tests passed")
```
## Use Cases
1. **Framework Testing**: Validate incremental strategy system
2. **Performance Benchmarking**: Baseline for strategy comparison
3. **Signal Pipeline Testing**: Test signal processing and execution
4. **Load Testing**: High-frequency signal generation testing
5. **Integration Testing**: Verify trading system integration

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@@ -1,520 +0,0 @@
# Real-Time Strategy Implementation Plan - Option 1: Incremental Calculation Architecture
## Implementation Overview
This document outlines the step-by-step implementation plan for updating the trading strategy system to support real-time data processing with incremental calculations. The implementation is divided into phases to ensure stability and backward compatibility.
## Phase 1: Foundation and Base Classes (Week 1-2) ✅ COMPLETED
### 1.1 Create Indicator State Classes ✅ COMPLETED
**Priority: HIGH**
**Files created:**
- `cycles/IncStrategies/indicators/`
- `__init__.py`
- `base.py` - Base IndicatorState class ✅
- `moving_average.py` - MovingAverageState ✅
- `rsi.py` - RSIState ✅
- `supertrend.py` - SupertrendState ✅
- `bollinger_bands.py` - BollingerBandsState ✅
- `atr.py` - ATRState (for Supertrend) ✅
**Tasks:**
- [x] Create `IndicatorState` abstract base class
- [x] Implement `MovingAverageState` with incremental calculation
- [x] Implement `RSIState` with incremental calculation
- [x] Implement `ATRState` for Supertrend calculations
- [x] Implement `SupertrendState` with incremental calculation
- [x] Implement `BollingerBandsState` with incremental calculation
- [x] Add comprehensive unit tests for each indicator state ✅
- [x] Validate accuracy against traditional batch calculations ✅
**Acceptance Criteria:**
- ✅ All indicator states produce identical results to batch calculations (within 0.01% tolerance)
- ✅ Memory usage is constant regardless of data length
- ✅ Update time is <0.1ms per data point
- ✅ All indicators handle edge cases (NaN, zero values, etc.)
### 1.2 Update Base Strategy Class ✅ COMPLETED
**Priority: HIGH**
**Files created:**
- `cycles/IncStrategies/base.py`
**Tasks:**
- [x] Add new abstract methods to `IncStrategyBase`:
- `get_minimum_buffer_size()`
- `calculate_on_data()`
- `supports_incremental_calculation()`
- [x] Add new properties:
- `calculation_mode`
- `is_warmed_up`
- [x] Add internal state management:
- `_calculation_mode`
- `_is_warmed_up`
- `_data_points_received`
- `_timeframe_buffers`
- `_timeframe_last_update`
- `_indicator_states`
- `_last_signals`
- `_signal_history`
- [x] Implement buffer management methods:
- `_update_timeframe_buffers()`
- `_should_update_timeframe()`
- `_get_timeframe_buffer()`
- [x] Add error handling and recovery methods:
- `_validate_calculation_state()`
- `_recover_from_state_corruption()`
- `handle_data_gap()`
- [x] Provide default implementations for backward compatibility
**Acceptance Criteria:**
- ✅ Existing strategies continue to work without modification (compatibility layer)
- ✅ New interface is fully documented
- ✅ Buffer management is memory-efficient
- ✅ Error recovery mechanisms are robust
### 1.3 Create Configuration System ✅ COMPLETED
**Priority: MEDIUM**
**Files created:**
- Configuration integrated into base classes ✅
**Tasks:**
- [x] Define strategy configuration dataclass (integrated into base class)
- [x] Add incremental calculation settings
- [x] Add buffer size configuration
- [x] Add performance monitoring settings
- [x] Add error handling configuration
## Phase 2: Strategy Implementation (Week 3-4) ✅ COMPLETED
### 2.1 Update RandomStrategy (Simplest) ✅ COMPLETED
**Priority: HIGH**
**Files created:**
- `cycles/IncStrategies/random_strategy.py`
- `cycles/IncStrategies/test_random_strategy.py`
**Tasks:**
- [x] Implement `get_minimum_buffer_size()` (return {"1min": 1})
- [x] Implement `calculate_on_data()` (minimal processing)
- [x] Implement `supports_incremental_calculation()` (return True)
- [x] Update signal generation to work without pre-calculated arrays
- [x] Add comprehensive testing
- [x] Validate against current implementation
**Acceptance Criteria:**
- ✅ RandomStrategy works in both batch and incremental modes
- ✅ Signal generation is identical between modes
- ✅ Memory usage is minimal
- ✅ Performance is optimal (0.006ms update, 0.048ms signal generation)
### 2.2 Update MetaTrend Strategy (Supertrend-based) ✅ COMPLETED
**Priority: HIGH**
**Files created:**
- `cycles/IncStrategies/metatrend_strategy.py`
- `test_metatrend_comparison.py`
- `plot_original_vs_incremental.py`
**Tasks:**
- [x] Implement `get_minimum_buffer_size()` based on timeframe
- [x] Implement `_initialize_indicator_states()` for three Supertrend indicators
- [x] Implement `calculate_on_data()` with incremental Supertrend updates
- [x] Update `get_entry_signal()` to work with current state instead of arrays
- [x] Update `get_exit_signal()` to work with current state instead of arrays
- [x] Implement meta-trend calculation from current Supertrend states
- [x] Add state validation and recovery
- [x] Comprehensive testing against current implementation
- [x] Visual comparison plotting with signal analysis
- [x] Bug discovery and validation in original DefaultStrategy
**Implementation Details:**
- **SupertrendCollection**: Manages 3 Supertrend indicators with parameters (12,3.0), (10,1.0), (11,2.0)
- **Meta-trend Logic**: Uptrend when all agree (+1), Downtrend when all agree (-1), Neutral otherwise (0)
- **Signal Generation**: Entry on meta-trend change to +1, Exit on meta-trend change to -1
- **Performance**: <1ms updates, 17 signals vs 106 (original buggy), mathematically accurate
**Testing Results:**
- ✅ 98.5% accuracy vs corrected original strategy (99.5% vs buggy original)
- ✅ Comprehensive visual comparison with 525,601 data points (2022-2023)
- ✅ Bug discovery in original DefaultStrategy exit condition
- ✅ Production-ready incremental implementation validated
**Acceptance Criteria:**
- ✅ Supertrend calculations are identical to batch mode
- ✅ Meta-trend logic produces correct signals (bug-free)
- ✅ Memory usage is bounded by buffer size
- ✅ Performance meets <1ms update target
- ✅ Visual validation confirms correct behavior
### 2.3 Update BBRSStrategy (Bollinger Bands + RSI) ✅ COMPLETED
**Priority: HIGH**
**Files created:**
- `cycles/IncStrategies/bbrs_incremental.py`
- `test_bbrs_incremental.py`
- `test_realtime_bbrs.py`
- `test_incremental_indicators.py`
**Tasks:**
- [x] Implement `get_minimum_buffer_size()` based on BB and RSI periods
- [x] Implement `_initialize_indicator_states()` for BB, RSI, and market regime
- [x] Implement `calculate_on_data()` with incremental indicator updates
- [x] Update signal generation to work with current indicator states
- [x] Implement market regime detection with incremental updates
- [x] Add state validation and recovery
- [x] Comprehensive testing against current implementation
- [x] Add real-time minute-level data processing with timeframe aggregation
- [x] Implement TimeframeAggregator for internal data aggregation
- [x] Validate incremental indicators (BB, RSI) against original implementations
- [x] Test real-time simulation with different timeframes (15min, 1h)
- [x] Verify consistency between minute-level and pre-aggregated processing
**Implementation Details:**
- **TimeframeAggregator**: Handles real-time aggregation of minute data to higher timeframes
- **BBRSIncrementalState**: Complete incremental BBRS strategy with market regime detection
- **Real-time Compatibility**: Accepts minute-level data, internally aggregates to configured timeframe
- **Market Regime Logic**: Trending vs Sideways detection based on Bollinger Band width
- **Signal Generation**: Regime-specific buy/sell logic with volume analysis
- **Performance**: Constant memory usage, O(1) updates per data point
**Testing Results:**
- ✅ Perfect accuracy (0.000000 difference) vs original implementation after warm-up
- ✅ Real-time processing: 2,881 minutes → 192 15min bars (exact match)
- ✅ Real-time processing: 2,881 minutes → 48 1h bars (exact match)
- ✅ Incremental indicators validated: BB (perfect), RSI (0.04 mean difference after warm-up)
- ✅ Signal generation: 95.45% match rate for buy/sell signals
- ✅ Market regime detection working correctly
- ✅ Visual comparison plots generated and validated
**Acceptance Criteria:**
- ✅ BB and RSI calculations match batch mode exactly (after warm-up period)
- ✅ Market regime detection works incrementally
- ✅ Signal generation is identical between modes (95.45% match rate)
- ✅ Performance meets targets (constant memory, fast updates)
- ✅ Real-time minute-level data processing works correctly
- ✅ Internal timeframe aggregation produces identical results to pre-aggregated data
## Phase 3: Strategy Manager Updates (Week 5) 📋 PENDING
### 3.1 Update StrategyManager
**Priority: HIGH**
**Files to create:**
- `cycles/IncStrategies/manager.py`
**Tasks:**
- [ ] Add `process_new_data()` method for coordinating incremental updates
- [ ] Add buffer size calculation across all strategies
- [ ] Add initialization mode detection and coordination
- [ ] Update signal combination to work with incremental mode
- [ ] Add performance monitoring and metrics collection
- [ ] Add error handling for strategy failures
- [ ] Add configuration management
**Acceptance Criteria:**
- Manager coordinates multiple strategies efficiently
- Buffer sizes are calculated correctly
- Error handling is robust
- Performance monitoring works
### 3.2 Add Performance Monitoring
**Priority: MEDIUM**
**Files to create:**
- `cycles/IncStrategies/monitoring.py`
**Tasks:**
- [ ] Create performance metrics collection
- [ ] Add latency measurement
- [ ] Add memory usage tracking
- [ ] Add signal generation frequency tracking
- [ ] Add error rate monitoring
- [ ] Create performance reporting
## Phase 4: Integration and Testing (Week 6) 📋 PENDING
### 4.1 Update StrategyTrader Integration
**Priority: HIGH**
**Files to modify:**
- `TraderFrontend/trader/strategy_trader.py`
**Tasks:**
- [ ] Update `_process_strategies()` to use incremental mode
- [ ] Add buffer management for real-time data
- [ ] Update initialization to support incremental mode
- [ ] Add performance monitoring integration
- [ ] Add error recovery mechanisms
- [ ] Update configuration handling
**Acceptance Criteria:**
- Real-time trading works with incremental strategies
- Performance is significantly improved
- Memory usage is bounded
- Error recovery works correctly
### 4.2 Update Backtesting Integration
**Priority: MEDIUM**
**Files to modify:**
- `cycles/backtest.py`
- `main.py`
**Tasks:**
- [ ] Add support for incremental mode in backtesting
- [ ] Maintain backward compatibility with batch mode
- [ ] Add performance comparison between modes
- [ ] Update configuration handling
**Acceptance Criteria:**
- Backtesting works in both modes
- Results are identical between modes
- Performance comparison is available
### 4.3 Comprehensive Testing ✅ COMPLETED (MetaTrend)
**Priority: HIGH**
**Files created:**
- `test_metatrend_comparison.py`
- `plot_original_vs_incremental.py`
- `SIGNAL_COMPARISON_SUMMARY.md`
**Tasks:**
- [x] Create unit tests for MetaTrend indicator states
- [x] Create integration tests for MetaTrend strategy implementation
- [x] Create performance benchmarks
- [x] Create accuracy validation tests
- [x] Create memory usage tests
- [x] Create error recovery tests
- [x] Create real-time simulation tests
- [x] Create visual comparison and analysis tools
- [ ] Extend testing to other strategies (BBRSStrategy, etc.)
**Acceptance Criteria:**
- ✅ MetaTrend tests pass with 98.5% accuracy
- ✅ Performance targets are met (<1ms updates)
- ✅ Memory usage is within bounds
- ✅ Error recovery works correctly
- ✅ Visual validation confirms correct behavior
## Phase 5: Optimization and Documentation (Week 7) 🔄 IN PROGRESS
### 5.1 Performance Optimization ✅ COMPLETED (MetaTrend)
**Priority: MEDIUM**
**Tasks:**
- [x] Profile and optimize MetaTrend indicator calculations
- [x] Optimize buffer management
- [x] Optimize signal generation
- [x] Add caching where appropriate
- [x] Optimize memory allocation patterns
- [ ] Extend optimization to other strategies
### 5.2 Documentation ✅ COMPLETED (MetaTrend)
**Priority: MEDIUM**
**Tasks:**
- [x] Update MetaTrend strategy docstrings
- [x] Create MetaTrend implementation guide
- [x] Create performance analysis documentation
- [x] Create visual comparison documentation
- [x] Update README files for MetaTrend
- [ ] Extend documentation to other strategies
### 5.3 Configuration and Monitoring ✅ COMPLETED (MetaTrend)
**Priority: LOW**
**Tasks:**
- [x] Add MetaTrend configuration validation
- [x] Add runtime configuration updates
- [x] Add monitoring for MetaTrend performance
- [x] Add alerting for performance issues
- [ ] Extend to other strategies
## Implementation Status Summary
### ✅ Completed (Phase 1, 2.1, 2.2, 2.3)
- **Foundation Infrastructure**: Complete incremental indicator system
- **Base Classes**: Full `IncStrategyBase` with buffer management and error handling
- **Indicator States**: All required indicators (MA, RSI, ATR, Supertrend, Bollinger Bands)
- **Memory Management**: Bounded buffer system with configurable sizes
- **Error Handling**: State validation, corruption recovery, data gap handling
- **Performance Monitoring**: Built-in metrics collection and timing
- **IncRandomStrategy**: Complete implementation with testing (0.006ms updates, 0.048ms signals)
- **IncMetaTrendStrategy**: Complete implementation with comprehensive testing and validation
- 98.5% accuracy vs corrected original strategy
- Visual comparison tools and analysis
- Bug discovery in original DefaultStrategy
- Production-ready with <1ms updates
- **BBRSIncrementalStrategy**: Complete implementation with real-time processing capabilities
- Perfect accuracy (0.000000 difference) vs original implementation after warm-up
- Real-time minute-level data processing with internal timeframe aggregation
- Market regime detection (trending vs sideways) working correctly
- 95.45% signal match rate with comprehensive testing
- TimeframeAggregator for seamless real-time data handling
- Production-ready for live trading systems
### 🔄 Current Focus (Phase 3)
- **Strategy Manager**: Coordinating multiple incremental strategies
- **Integration Testing**: Ensuring all components work together
- **Performance Optimization**: Fine-tuning for production deployment
### 📋 Remaining Work
- Strategy manager updates
- Integration with existing systems
- Comprehensive testing suite for strategy combinations
- Performance optimization for multi-strategy scenarios
- Documentation updates for deployment guides
## Implementation Details
### MetaTrend Strategy Implementation ✅
#### Buffer Size Calculations
```python
def get_minimum_buffer_size(self) -> Dict[str, int]:
primary_tf = self.params.get("timeframe", "1min")
# Supertrend needs warmup period for reliable calculation
if primary_tf == "15min":
return {"15min": 50, "1min": 750} # 50 * 15 = 750 minutes
elif primary_tf == "5min":
return {"5min": 50, "1min": 250} # 50 * 5 = 250 minutes
elif primary_tf == "30min":
return {"30min": 50, "1min": 1500} # 50 * 30 = 1500 minutes
elif primary_tf == "1h":
return {"1h": 50, "1min": 3000} # 50 * 60 = 3000 minutes
else: # 1min
return {"1min": 50}
```
#### Supertrend Parameters
- ST1: Period=12, Multiplier=3.0
- ST2: Period=10, Multiplier=1.0
- ST3: Period=11, Multiplier=2.0
#### Meta-trend Logic
- **Uptrend (+1)**: All 3 Supertrends agree on uptrend
- **Downtrend (-1)**: All 3 Supertrends agree on downtrend
- **Neutral (0)**: Supertrends disagree
#### Signal Generation
- **Entry**: Meta-trend changes from != 1 to == 1
- **Exit**: Meta-trend changes from != -1 to == -1
### BBRSStrategy Implementation ✅
#### Buffer Size Calculations
```python
def get_minimum_buffer_size(self) -> Dict[str, int]:
bb_period = self.params.get("bb_period", 20)
rsi_period = self.params.get("rsi_period", 14)
volume_ma_period = 20
# Need max of all periods plus warmup
min_periods = max(bb_period, rsi_period, volume_ma_period) + 20
return {"1min": min_periods}
```
#### Timeframe Aggregation
- **TimeframeAggregator**: Handles real-time aggregation of minute data to higher timeframes
- **Configurable Timeframes**: 1min, 5min, 15min, 30min, 1h, etc.
- **OHLCV Aggregation**: Proper open/high/low/close/volume aggregation
- **Bar Completion**: Only processes indicators when complete timeframe bars are formed
#### Market Regime Detection
- **Trending Market**: BB width >= threshold (default 0.05)
- **Sideways Market**: BB width < threshold
- **Adaptive Parameters**: Different BB multipliers and RSI thresholds per regime
#### Signal Generation Logic
```python
# Sideways Market (Mean Reversion)
buy_condition = (price <= lower_band) and (rsi_value <= rsi_low)
sell_condition = (price >= upper_band) and (rsi_value >= rsi_high)
# Trending Market (Breakout Mode)
buy_condition = (price < lower_band) and (rsi_value < 50) and volume_spike
sell_condition = (price > upper_band) and (rsi_value > 50) and volume_spike
```
#### Real-time Processing Flow
1. **Minute Data Input**: Accept live minute-level OHLCV data
2. **Timeframe Aggregation**: Accumulate into configured timeframe bars
3. **Indicator Updates**: Update BB, RSI, volume MA when bar completes
4. **Market Regime**: Determine trending vs sideways based on BB width
5. **Signal Generation**: Apply regime-specific buy/sell logic
6. **State Management**: Maintain constant memory usage
### Error Recovery Strategy
1. **State Validation**: Periodic validation of indicator states ✅
2. **Graceful Degradation**: Fall back to batch calculation if incremental fails ✅
3. **Automatic Recovery**: Reinitialize from buffer data when corruption detected ✅
4. **Monitoring**: Track error rates and performance metrics ✅
### Performance Targets
- **Incremental Update**: <1ms per data point ✅
- **Signal Generation**: <10ms per strategy ✅
- **Memory Usage**: <100MB per strategy (bounded by buffer size) ✅
- **Accuracy**: 99.99% identical to batch calculations ✅ (98.5% for MetaTrend due to original bug)
### Testing Strategy
1. **Unit Tests**: Test each component in isolation ✅ (MetaTrend)
2. **Integration Tests**: Test strategy combinations ✅ (MetaTrend)
3. **Performance Tests**: Benchmark against current implementation ✅ (MetaTrend)
4. **Accuracy Tests**: Validate against known good results ✅ (MetaTrend)
5. **Stress Tests**: Test with high-frequency data ✅ (MetaTrend)
6. **Memory Tests**: Validate memory usage bounds ✅ (MetaTrend)
7. **Visual Tests**: Create comparison plots and analysis ✅ (MetaTrend)
## Risk Mitigation
### Technical Risks
- **Accuracy Issues**: Comprehensive testing and validation ✅
- **Performance Regression**: Benchmarking and optimization ✅
- **Memory Leaks**: Careful buffer management and testing ✅
- **State Corruption**: Validation and recovery mechanisms ✅
### Implementation Risks
- **Complexity**: Phased implementation with incremental testing ✅
- **Breaking Changes**: Backward compatibility layer ✅
- **Timeline**: Conservative estimates with buffer time ✅
### Operational Risks
- **Production Issues**: Gradual rollout with monitoring ✅
- **Data Quality**: Robust error handling and validation ✅
- **System Load**: Performance monitoring and alerting ✅
## Success Criteria
### Functional Requirements
- [x] MetaTrend strategy works in incremental mode ✅
- [x] Signal generation is mathematically correct (bug-free) ✅
- [x] Real-time performance is significantly improved ✅
- [x] Memory usage is bounded and predictable ✅
- [ ] All strategies work in incremental mode (BBRSStrategy pending)
### Performance Requirements
- [x] 10x improvement in processing speed for real-time data ✅
- [x] 90% reduction in memory usage for long-running systems ✅
- [x] <1ms latency for incremental updates ✅
- [x] <10ms latency for signal generation ✅
### Quality Requirements
- [x] 100% test coverage for MetaTrend strategy ✅
- [x] 98.5% accuracy compared to corrected batch calculations ✅
- [x] Zero memory leaks in long-running tests ✅
- [x] Robust error handling and recovery ✅
- [ ] Extend quality requirements to remaining strategies
## Key Achievements
### MetaTrend Strategy Success ✅
- **Bug Discovery**: Found and documented critical bug in original DefaultStrategy exit condition
- **Mathematical Accuracy**: Achieved 98.5% signal match with corrected implementation
- **Performance**: <1ms updates, suitable for high-frequency trading
- **Visual Validation**: Comprehensive plotting and analysis tools created
- **Production Ready**: Fully tested and validated for live trading systems
### Architecture Success ✅
- **Unified Interface**: All incremental strategies follow consistent `IncStrategyBase` pattern
- **Memory Efficiency**: Bounded buffer system prevents memory growth
- **Error Recovery**: Robust state validation and recovery mechanisms
- **Performance Monitoring**: Built-in metrics and timing analysis
This implementation plan provides a structured approach to implementing the incremental calculation architecture while maintaining system stability and backward compatibility. The MetaTrend strategy implementation serves as a proven template for future strategy conversions.

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@@ -1,342 +0,0 @@
# Real-Time Strategy Architecture - Technical Specification
## Overview
This document outlines the technical specification for updating the trading strategy system to support real-time data processing with incremental calculations. The current architecture processes entire datasets during initialization, which is inefficient for real-time trading where new data arrives continuously.
## Current Architecture Issues
### Problems with Current Implementation
1. **Initialization-Heavy Design**: All calculations performed during `initialize()` method
2. **Full Dataset Processing**: Entire historical dataset processed on each initialization
3. **Memory Inefficient**: Stores complete calculation history in arrays
4. **No Incremental Updates**: Cannot add new data without full recalculation
5. **Performance Bottleneck**: Recalculating years of data for each new candle
6. **Index-Based Access**: Signal generation relies on pre-calculated arrays with fixed indices
### Current Strategy Flow
```
Data → initialize() → Full Calculation → Store Arrays → get_signal(index)
```
## Target Architecture: Incremental Calculation
### New Strategy Flow
```
Initial Data → initialize() → Warm-up Calculation → Ready State
New Data Point → calculate_on_data() → Update State → get_signal()
```
## Technical Requirements
### 1. Base Strategy Interface Updates
#### New Abstract Methods
```python
@abstractmethod
def get_minimum_buffer_size(self) -> Dict[str, int]:
"""
Return minimum data points needed for each timeframe.
Returns:
Dict[str, int]: {timeframe: min_points} mapping
Example:
{"15min": 50, "1min": 750} # 50 15min candles = 750 1min candles
"""
pass
@abstractmethod
def calculate_on_data(self, new_data_point: Dict, timestamp: pd.Timestamp) -> None:
"""
Process a single new data point incrementally.
Args:
new_data_point: OHLCV data point {open, high, low, close, volume}
timestamp: Timestamp of the data point
"""
pass
@abstractmethod
def supports_incremental_calculation(self) -> bool:
"""
Whether strategy supports incremental calculation.
Returns:
bool: True if incremental mode supported
"""
pass
```
#### New Properties and Methods
```python
@property
def calculation_mode(self) -> str:
"""Current calculation mode: 'initialization' or 'incremental'"""
return self._calculation_mode
@property
def is_warmed_up(self) -> bool:
"""Whether strategy has sufficient data for reliable signals"""
return self._is_warmed_up
def reset_calculation_state(self) -> None:
"""Reset internal calculation state for reinitialization"""
pass
def get_current_state_summary(self) -> Dict:
"""Get summary of current calculation state for debugging"""
pass
```
### 2. Internal State Management
#### State Variables
Each strategy must maintain:
```python
class StrategyBase:
def __init__(self, ...):
# Calculation state
self._calculation_mode = "initialization" # or "incremental"
self._is_warmed_up = False
self._data_points_received = 0
# Timeframe-specific buffers
self._timeframe_buffers = {} # {timeframe: deque(maxlen=buffer_size)}
self._timeframe_last_update = {} # {timeframe: timestamp}
# Indicator states (strategy-specific)
self._indicator_states = {}
# Signal generation state
self._last_signals = {} # Cache recent signals
self._signal_history = deque(maxlen=100) # Recent signal history
```
#### Buffer Management
```python
def _update_timeframe_buffers(self, new_data_point: Dict, timestamp: pd.Timestamp):
"""Update all timeframe buffers with new data point"""
def _should_update_timeframe(self, timeframe: str, timestamp: pd.Timestamp) -> bool:
"""Check if timeframe should be updated based on timestamp"""
def _get_timeframe_buffer(self, timeframe: str) -> pd.DataFrame:
"""Get current buffer for specific timeframe"""
```
### 3. Strategy-Specific Requirements
#### DefaultStrategy (Supertrend-based)
```python
class DefaultStrategy(StrategyBase):
def get_minimum_buffer_size(self) -> Dict[str, int]:
primary_tf = self.params.get("timeframe", "15min")
if primary_tf == "15min":
return {"15min": 50, "1min": 750}
elif primary_tf == "5min":
return {"5min": 50, "1min": 250}
# ... other timeframes
def _initialize_indicator_states(self):
"""Initialize Supertrend calculation states"""
self._supertrend_states = [
SupertrendState(period=10, multiplier=3.0),
SupertrendState(period=11, multiplier=2.0),
SupertrendState(period=12, multiplier=1.0)
]
def _update_supertrend_incrementally(self, ohlc_data):
"""Update Supertrend calculations with new data"""
# Incremental ATR calculation
# Incremental Supertrend calculation
# Update meta-trend based on all three Supertrends
```
#### BBRSStrategy (Bollinger Bands + RSI)
```python
class BBRSStrategy(StrategyBase):
def get_minimum_buffer_size(self) -> Dict[str, int]:
bb_period = self.params.get("bb_period", 20)
rsi_period = self.params.get("rsi_period", 14)
min_periods = max(bb_period, rsi_period) + 10 # +10 for warmup
return {"1min": min_periods}
def _initialize_indicator_states(self):
"""Initialize BB and RSI calculation states"""
self._bb_state = BollingerBandsState(period=self.params.get("bb_period", 20))
self._rsi_state = RSIState(period=self.params.get("rsi_period", 14))
self._market_regime_state = MarketRegimeState()
def _update_indicators_incrementally(self, price_data):
"""Update BB, RSI, and market regime with new data"""
# Incremental moving average for BB
# Incremental RSI calculation
# Market regime detection update
```
#### RandomStrategy
```python
class RandomStrategy(StrategyBase):
def get_minimum_buffer_size(self) -> Dict[str, int]:
return {"1min": 1} # No indicators needed
def supports_incremental_calculation(self) -> bool:
return True # Always supports incremental
```
### 4. Indicator State Classes
#### Base Indicator State
```python
class IndicatorState(ABC):
"""Base class for maintaining indicator calculation state"""
@abstractmethod
def update(self, new_value: float) -> float:
"""Update indicator with new value and return current indicator value"""
pass
@abstractmethod
def is_warmed_up(self) -> bool:
"""Whether indicator has enough data for reliable values"""
pass
@abstractmethod
def reset(self) -> None:
"""Reset indicator state"""
pass
```
#### Specific Indicator States
```python
class MovingAverageState(IndicatorState):
"""Maintains state for incremental moving average calculation"""
class RSIState(IndicatorState):
"""Maintains state for incremental RSI calculation"""
class SupertrendState(IndicatorState):
"""Maintains state for incremental Supertrend calculation"""
class BollingerBandsState(IndicatorState):
"""Maintains state for incremental Bollinger Bands calculation"""
```
### 5. Data Flow Architecture
#### Initialization Phase
```
1. Strategy.initialize(backtester)
2. Strategy._resample_data(original_data)
3. Strategy._initialize_indicator_states()
4. Strategy._warm_up_with_historical_data()
5. Strategy._calculation_mode = "incremental"
6. Strategy._is_warmed_up = True
```
#### Real-Time Processing Phase
```
1. New data arrives → StrategyManager.process_new_data()
2. StrategyManager → Strategy.calculate_on_data(new_point)
3. Strategy._update_timeframe_buffers()
4. Strategy._update_indicators_incrementally()
5. Strategy ready for get_entry_signal()/get_exit_signal()
```
### 6. Performance Requirements
#### Memory Efficiency
- Maximum buffer size per timeframe: configurable (default: 200 periods)
- Use `collections.deque` with `maxlen` for automatic buffer management
- Store only essential state, not full calculation history
#### Processing Speed
- Target: <1ms per data point for incremental updates
- Target: <10ms for signal generation
- Batch processing support for multiple data points
#### Accuracy Requirements
- Incremental calculations must match batch calculations within 0.01% tolerance
- Indicator values must be identical to traditional calculation methods
- Signal timing must be preserved exactly
### 7. Error Handling and Recovery
#### State Corruption Recovery
```python
def _validate_calculation_state(self) -> bool:
"""Validate internal calculation state consistency"""
def _recover_from_state_corruption(self) -> None:
"""Recover from corrupted calculation state"""
# Reset to initialization mode
# Recalculate from available buffer data
# Resume incremental mode
```
#### Data Gap Handling
```python
def handle_data_gap(self, gap_duration: pd.Timedelta) -> None:
"""Handle gaps in data stream"""
if gap_duration > self._max_acceptable_gap:
self._trigger_reinitialization()
else:
self._interpolate_missing_data()
```
### 8. Backward Compatibility
#### Compatibility Layer
- Existing `initialize()` method continues to work
- New methods are optional with default implementations
- Gradual migration path for existing strategies
- Fallback to batch calculation if incremental not supported
#### Migration Strategy
1. Phase 1: Add new interface with default implementations
2. Phase 2: Implement incremental calculation for each strategy
3. Phase 3: Optimize and remove batch calculation fallbacks
4. Phase 4: Make incremental calculation mandatory
### 9. Testing Requirements
#### Unit Tests
- Test incremental vs. batch calculation accuracy
- Test state management and recovery
- Test buffer management and memory usage
- Test performance benchmarks
#### Integration Tests
- Test with real-time data streams
- Test strategy manager coordination
- Test error recovery scenarios
- Test memory usage over extended periods
#### Performance Tests
- Benchmark incremental vs. batch processing
- Memory usage profiling
- Latency measurements for signal generation
- Stress testing with high-frequency data
### 10. Configuration and Monitoring
#### Configuration Options
```python
STRATEGY_CONFIG = {
"calculation_mode": "incremental", # or "batch"
"buffer_size_multiplier": 2.0, # multiply minimum buffer size
"max_acceptable_gap": "5min", # max data gap before reinitialization
"enable_state_validation": True, # enable periodic state validation
"performance_monitoring": True # enable performance metrics
}
```
#### Monitoring Metrics
- Calculation latency per strategy
- Memory usage per strategy
- State validation failures
- Data gap occurrences
- Signal generation frequency
This specification provides the foundation for implementing efficient real-time strategy processing while maintaining accuracy and reliability.

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@@ -1,447 +0,0 @@
"""
Example usage of the Incremental Backtester.
This script demonstrates how to use the IncBacktester for various scenarios:
1. Single strategy backtesting
2. Multiple strategy comparison
3. Parameter optimization with multiprocessing
4. Custom analysis and result saving
5. Comprehensive result logging and action tracking
Run this script to see the backtester in action with real or synthetic data.
"""
import pandas as pd
import numpy as np
import logging
from datetime import datetime, timedelta
import os
from cycles.IncStrategies import (
IncBacktester, BacktestConfig, IncRandomStrategy
)
from cycles.utils.storage import Storage
# Configure logging
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger(__name__)
def ensure_results_directory():
"""Ensure the results directory exists."""
results_dir = "results"
if not os.path.exists(results_dir):
os.makedirs(results_dir)
logger.info(f"Created results directory: {results_dir}")
return results_dir
def create_sample_data(days: int = 30) -> pd.DataFrame:
"""
Create sample OHLCV data for demonstration.
Args:
days: Number of days of data to generate
Returns:
pd.DataFrame: Sample OHLCV data
"""
# Create date range
end_date = datetime.now()
start_date = end_date - timedelta(days=days)
timestamps = pd.date_range(start=start_date, end=end_date, freq='1min')
# Generate realistic price data
np.random.seed(42)
n_points = len(timestamps)
# Start with a base price
base_price = 45000
# Generate price movements with trend and volatility
trend = np.linspace(0, 0.1, n_points) # Slight upward trend
volatility = np.random.normal(0, 0.002, n_points) # 0.2% volatility
# Calculate prices
log_returns = trend + volatility
prices = base_price * np.exp(np.cumsum(log_returns))
# Generate OHLCV data
data = []
for i, (timestamp, close_price) in enumerate(zip(timestamps, prices)):
# Generate realistic OHLC
intrabar_vol = close_price * 0.001
open_price = close_price + np.random.normal(0, intrabar_vol)
high_price = max(open_price, close_price) + abs(np.random.normal(0, intrabar_vol))
low_price = min(open_price, close_price) - abs(np.random.normal(0, intrabar_vol))
volume = np.random.uniform(50, 500)
data.append({
'open': open_price,
'high': high_price,
'low': low_price,
'close': close_price,
'volume': volume
})
df = pd.DataFrame(data, index=timestamps)
return df
def example_single_strategy():
"""Example 1: Single strategy backtesting with comprehensive results."""
print("\n" + "="*60)
print("EXAMPLE 1: Single Strategy Backtesting")
print("="*60)
# Create sample data
data = create_sample_data(days=7) # 1 week of data
# Save data
storage = Storage()
data_file = "sample_data_single.csv"
storage.save_data(data, data_file)
# Configure backtest
config = BacktestConfig(
data_file=data_file,
start_date=data.index[0].strftime("%Y-%m-%d"),
end_date=data.index[-1].strftime("%Y-%m-%d"),
initial_usd=10000,
stop_loss_pct=0.02,
take_profit_pct=0.05
)
# Create strategy
strategy = IncRandomStrategy(params={
"timeframe": "15min",
"entry_probability": 0.15,
"exit_probability": 0.2,
"random_seed": 42
})
# Run backtest
backtester = IncBacktester(config, storage)
results = backtester.run_single_strategy(strategy)
# Print results
print(f"\nResults:")
print(f" Strategy: {results['strategy_name']}")
print(f" Profit: {results['profit_ratio']*100:.2f}%")
print(f" Final Balance: ${results['final_usd']:,.2f}")
print(f" Trades: {results['n_trades']}")
print(f" Win Rate: {results['win_rate']*100:.1f}%")
print(f" Max Drawdown: {results['max_drawdown']*100:.2f}%")
# Save comprehensive results
backtester.save_comprehensive_results([results], "example_single_strategy")
# Cleanup
if os.path.exists(f"data/{data_file}"):
os.remove(f"data/{data_file}")
return results
def example_multiple_strategies():
"""Example 2: Multiple strategy comparison with comprehensive results."""
print("\n" + "="*60)
print("EXAMPLE 2: Multiple Strategy Comparison")
print("="*60)
# Create sample data
data = create_sample_data(days=10) # 10 days of data
# Save data
storage = Storage()
data_file = "sample_data_multiple.csv"
storage.save_data(data, data_file)
# Configure backtest
config = BacktestConfig(
data_file=data_file,
start_date=data.index[0].strftime("%Y-%m-%d"),
end_date=data.index[-1].strftime("%Y-%m-%d"),
initial_usd=10000,
stop_loss_pct=0.015
)
# Create multiple strategies with different parameters
strategies = [
IncRandomStrategy(params={
"timeframe": "5min",
"entry_probability": 0.1,
"exit_probability": 0.15,
"random_seed": 42
}),
IncRandomStrategy(params={
"timeframe": "15min",
"entry_probability": 0.12,
"exit_probability": 0.18,
"random_seed": 123
}),
IncRandomStrategy(params={
"timeframe": "30min",
"entry_probability": 0.08,
"exit_probability": 0.12,
"random_seed": 456
}),
IncRandomStrategy(params={
"timeframe": "1h",
"entry_probability": 0.06,
"exit_probability": 0.1,
"random_seed": 789
})
]
# Run backtest
backtester = IncBacktester(config, storage)
results = backtester.run_multiple_strategies(strategies)
# Print comparison
print(f"\nStrategy Comparison:")
print(f"{'Strategy':<20} {'Timeframe':<10} {'Profit %':<10} {'Trades':<8} {'Win Rate %':<12}")
print("-" * 70)
for i, result in enumerate(results):
if result.get("success", True):
timeframe = result['strategy_params']['timeframe']
profit = result['profit_ratio'] * 100
trades = result['n_trades']
win_rate = result['win_rate'] * 100
print(f"Strategy {i+1:<13} {timeframe:<10} {profit:<10.2f} {trades:<8} {win_rate:<12.1f}")
# Get summary statistics
summary = backtester.get_summary_statistics(results)
print(f"\nSummary Statistics:")
print(f" Best Profit: {summary['profit_ratio']['max']*100:.2f}%")
print(f" Worst Profit: {summary['profit_ratio']['min']*100:.2f}%")
print(f" Average Profit: {summary['profit_ratio']['mean']*100:.2f}%")
print(f" Profit Std Dev: {summary['profit_ratio']['std']*100:.2f}%")
# Save comprehensive results
backtester.save_comprehensive_results(results, "example_multiple_strategies", summary)
# Cleanup
if os.path.exists(f"data/{data_file}"):
os.remove(f"data/{data_file}")
return results, summary
def example_parameter_optimization():
"""Example 3: Parameter optimization with multiprocessing and comprehensive results."""
print("\n" + "="*60)
print("EXAMPLE 3: Parameter Optimization")
print("="*60)
# Create sample data
data = create_sample_data(days=5) # 5 days for faster optimization
# Save data
storage = Storage()
data_file = "sample_data_optimization.csv"
storage.save_data(data, data_file)
# Configure backtest
config = BacktestConfig(
data_file=data_file,
start_date=data.index[0].strftime("%Y-%m-%d"),
end_date=data.index[-1].strftime("%Y-%m-%d"),
initial_usd=10000
)
# Define parameter grids
strategy_param_grid = {
"timeframe": ["5min", "15min", "30min"],
"entry_probability": [0.08, 0.12, 0.16],
"exit_probability": [0.1, 0.15, 0.2],
"random_seed": [42] # Keep seed constant for fair comparison
}
trader_param_grid = {
"stop_loss_pct": [0.01, 0.015, 0.02],
"take_profit_pct": [0.0, 0.03, 0.05]
}
# Run optimization (will use SystemUtils to determine optimal workers)
backtester = IncBacktester(config, storage)
print(f"Starting optimization with {len(strategy_param_grid['timeframe']) * len(strategy_param_grid['entry_probability']) * len(strategy_param_grid['exit_probability']) * len(trader_param_grid['stop_loss_pct']) * len(trader_param_grid['take_profit_pct'])} combinations...")
results = backtester.optimize_parameters(
strategy_class=IncRandomStrategy,
param_grid=strategy_param_grid,
trader_param_grid=trader_param_grid,
max_workers=None # Use SystemUtils for optimal worker count
)
# Get summary
summary = backtester.get_summary_statistics(results)
# Print optimization results
print(f"\nOptimization Results:")
print(f" Total Combinations: {summary['total_runs']}")
print(f" Successful Runs: {summary['successful_runs']}")
print(f" Failed Runs: {summary['failed_runs']}")
if summary['successful_runs'] > 0:
print(f" Best Profit: {summary['profit_ratio']['max']*100:.2f}%")
print(f" Worst Profit: {summary['profit_ratio']['min']*100:.2f}%")
print(f" Average Profit: {summary['profit_ratio']['mean']*100:.2f}%")
# Show top 3 configurations
valid_results = [r for r in results if r.get("success", True)]
valid_results.sort(key=lambda x: x["profit_ratio"], reverse=True)
print(f"\nTop 3 Configurations:")
for i, result in enumerate(valid_results[:3]):
print(f" {i+1}. Profit: {result['profit_ratio']*100:.2f}% | "
f"Timeframe: {result['strategy_params']['timeframe']} | "
f"Entry Prob: {result['strategy_params']['entry_probability']} | "
f"Stop Loss: {result['trader_params']['stop_loss_pct']*100:.1f}%")
# Save comprehensive results
backtester.save_comprehensive_results(results, "example_parameter_optimization", summary)
# Cleanup
if os.path.exists(f"data/{data_file}"):
os.remove(f"data/{data_file}")
return results, summary
def example_custom_analysis():
"""Example 4: Custom analysis with detailed result examination."""
print("\n" + "="*60)
print("EXAMPLE 4: Custom Analysis")
print("="*60)
# Create sample data with more volatility for interesting results
data = create_sample_data(days=14) # 2 weeks
# Save data
storage = Storage()
data_file = "sample_data_analysis.csv"
storage.save_data(data, data_file)
# Configure backtest
config = BacktestConfig(
data_file=data_file,
start_date=data.index[0].strftime("%Y-%m-%d"),
end_date=data.index[-1].strftime("%Y-%m-%d"),
initial_usd=25000, # Larger starting capital
stop_loss_pct=0.025,
take_profit_pct=0.04
)
# Create strategy with specific parameters for analysis
strategy = IncRandomStrategy(params={
"timeframe": "30min",
"entry_probability": 0.1,
"exit_probability": 0.15,
"random_seed": 42
})
# Run backtest
backtester = IncBacktester(config, storage)
results = backtester.run_single_strategy(strategy)
# Detailed analysis
print(f"\nDetailed Analysis:")
print(f" Strategy: {results['strategy_name']}")
print(f" Timeframe: {results['strategy_params']['timeframe']}")
print(f" Data Period: {config.start_date} to {config.end_date}")
print(f" Data Points: {results['data_points']:,}")
print(f" Processing Time: {results['backtest_duration_seconds']:.2f}s")
print(f"\nPerformance Metrics:")
print(f" Initial Capital: ${results['initial_usd']:,.2f}")
print(f" Final Balance: ${results['final_usd']:,.2f}")
print(f" Total Return: {results['profit_ratio']*100:.2f}%")
print(f" Total Trades: {results['n_trades']}")
if results['n_trades'] > 0:
print(f" Win Rate: {results['win_rate']*100:.1f}%")
print(f" Average Trade: ${results['avg_trade']:.2f}")
print(f" Max Drawdown: {results['max_drawdown']*100:.2f}%")
print(f" Total Fees: ${results['total_fees_usd']:.2f}")
# Calculate additional metrics
days_traded = (pd.to_datetime(config.end_date) - pd.to_datetime(config.start_date)).days
annualized_return = (1 + results['profit_ratio']) ** (365 / days_traded) - 1
print(f" Annualized Return: {annualized_return*100:.2f}%")
# Risk metrics
if results['max_drawdown'] > 0:
calmar_ratio = annualized_return / results['max_drawdown']
print(f" Calmar Ratio: {calmar_ratio:.2f}")
# Save comprehensive results with custom analysis
backtester.save_comprehensive_results([results], "example_custom_analysis")
# Cleanup
if os.path.exists(f"data/{data_file}"):
os.remove(f"data/{data_file}")
return results
def main():
"""Run all examples."""
print("Incremental Backtester Examples")
print("="*60)
print("This script demonstrates various features of the IncBacktester:")
print("1. Single strategy backtesting")
print("2. Multiple strategy comparison")
print("3. Parameter optimization with multiprocessing")
print("4. Custom analysis and metrics")
print("5. Comprehensive result saving and action logging")
# Ensure results directory exists
ensure_results_directory()
try:
# Run all examples
single_results = example_single_strategy()
multiple_results, multiple_summary = example_multiple_strategies()
optimization_results, optimization_summary = example_parameter_optimization()
analysis_results = example_custom_analysis()
print("\n" + "="*60)
print("ALL EXAMPLES COMPLETED SUCCESSFULLY!")
print("="*60)
print("\n📊 Comprehensive results have been saved to the 'results' directory.")
print("Each example generated multiple files:")
print(" 📋 Summary JSON with session info and statistics")
print(" 📈 Detailed CSV with all backtest results")
print(" 📝 Action log JSON with all operations performed")
print(" 📁 Individual strategy JSON files with trades and details")
print(" 🗂️ Master index JSON for easy navigation")
print(f"\n🎯 Key Insights:")
print(f" • Single strategy achieved {single_results['profit_ratio']*100:.2f}% return")
print(f" • Multiple strategies: best {multiple_summary['profit_ratio']['max']*100:.2f}%, worst {multiple_summary['profit_ratio']['min']*100:.2f}%")
print(f" • Optimization tested {optimization_summary['total_runs']} combinations")
print(f" • Custom analysis provided detailed risk metrics")
print(f"\n🔧 System Performance:")
print(f" • Used SystemUtils for optimal CPU core utilization")
print(f" • All actions logged for reproducibility")
print(f" • Results saved in multiple formats for analysis")
print(f"\n✅ The incremental backtester is ready for production use!")
except Exception as e:
logger.error(f"Example failed: {e}")
print(f"\nError: {e}")
import traceback
traceback.print_exc()
if __name__ == "__main__":
main()

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@@ -1,736 +0,0 @@
"""
Incremental Backtester for testing incremental strategies.
This module provides the IncBacktester class that orchestrates multiple IncTraders
for parallel testing, handles data loading and feeding, and supports multiprocessing
for parameter optimization.
"""
import pandas as pd
import numpy as np
from typing import Dict, List, Optional, Any, Callable, Union, Tuple
import logging
import time
from concurrent.futures import ProcessPoolExecutor, as_completed
from itertools import product
import multiprocessing as mp
from dataclasses import dataclass
import json
from datetime import datetime
from .inc_trader import IncTrader
from .base import IncStrategyBase
from ..utils.storage import Storage
from ..utils.system import SystemUtils
logger = logging.getLogger(__name__)
def _worker_function(args: Tuple[type, Dict, Dict, 'BacktestConfig', str]) -> Dict[str, Any]:
"""
Worker function for multiprocessing parameter optimization.
This function must be at module level to be picklable for multiprocessing.
Args:
args: Tuple containing (strategy_class, strategy_params, trader_params, config, data_file)
Returns:
Dict containing backtest results
"""
try:
strategy_class, strategy_params, trader_params, config, data_file = args
# Create new storage and backtester instance for this worker
storage = Storage()
worker_backtester = IncBacktester(config, storage)
# Create strategy instance
strategy = strategy_class(params=strategy_params)
# Run backtest
result = worker_backtester.run_single_strategy(strategy, trader_params)
result["success"] = True
return result
except Exception as e:
logger.error(f"Worker error for {strategy_params}, {trader_params}: {e}")
return {
"strategy_params": strategy_params,
"trader_params": trader_params,
"error": str(e),
"success": False
}
@dataclass
class BacktestConfig:
"""Configuration for backtesting runs."""
data_file: str
start_date: str
end_date: str
initial_usd: float = 10000
timeframe: str = "1min"
# Trader parameters
stop_loss_pct: float = 0.0
take_profit_pct: float = 0.0
# Performance settings
max_workers: Optional[int] = None
chunk_size: int = 1000
class IncBacktester:
"""
Incremental backtester for testing incremental strategies.
This class orchestrates multiple IncTraders for parallel testing:
- Loads data using the existing Storage class
- Creates multiple IncTrader instances with different parameters
- Feeds data sequentially to all traders
- Collects and aggregates results
- Supports multiprocessing for parallel execution
- Uses SystemUtils for optimal worker count determination
The backtester can run multiple strategies simultaneously or test
parameter combinations across multiple CPU cores.
Example:
# Single strategy backtest
config = BacktestConfig(
data_file="btc_1min_2023.csv",
start_date="2023-01-01",
end_date="2023-12-31",
initial_usd=10000
)
strategy = IncRandomStrategy(params={"timeframe": "15min"})
backtester = IncBacktester(config)
results = backtester.run_single_strategy(strategy)
# Multiple strategies
strategies = [strategy1, strategy2, strategy3]
results = backtester.run_multiple_strategies(strategies)
# Parameter optimization
param_grid = {
"timeframe": ["5min", "15min", "30min"],
"stop_loss_pct": [0.01, 0.02, 0.03]
}
results = backtester.optimize_parameters(strategy_class, param_grid)
"""
def __init__(self, config: BacktestConfig, storage: Optional[Storage] = None):
"""
Initialize the incremental backtester.
Args:
config: Backtesting configuration
storage: Storage instance for data loading (creates new if None)
"""
self.config = config
self.storage = storage or Storage()
self.system_utils = SystemUtils(logging=logger)
self.data = None
self.results_cache = {}
# Track all actions performed during backtesting
self.action_log = []
self.session_start_time = datetime.now()
logger.info(f"IncBacktester initialized: {config.data_file}, "
f"{config.start_date} to {config.end_date}")
self._log_action("backtester_initialized", {
"config": config.__dict__,
"session_start": self.session_start_time.isoformat()
})
def _log_action(self, action_type: str, details: Dict[str, Any]) -> None:
"""Log an action performed during backtesting."""
self.action_log.append({
"timestamp": datetime.now().isoformat(),
"action_type": action_type,
"details": details
})
def load_data(self) -> pd.DataFrame:
"""
Load and prepare data for backtesting.
Returns:
pd.DataFrame: Loaded OHLCV data with DatetimeIndex
"""
if self.data is None:
logger.info(f"Loading data from {self.config.data_file}...")
start_time = time.time()
self.data = self.storage.load_data(
self.config.data_file,
self.config.start_date,
self.config.end_date
)
load_time = time.time() - start_time
logger.info(f"Data loaded: {len(self.data)} rows in {load_time:.2f}s")
# Validate data
if self.data.empty:
raise ValueError(f"No data loaded for the specified date range")
required_columns = ['open', 'high', 'low', 'close', 'volume']
missing_columns = [col for col in required_columns if col not in self.data.columns]
if missing_columns:
raise ValueError(f"Missing required columns: {missing_columns}")
self._log_action("data_loaded", {
"file": self.config.data_file,
"rows": len(self.data),
"load_time_seconds": load_time,
"date_range": f"{self.config.start_date} to {self.config.end_date}",
"columns": list(self.data.columns)
})
return self.data
def run_single_strategy(self, strategy: IncStrategyBase,
trader_params: Optional[Dict] = None) -> Dict[str, Any]:
"""
Run backtest for a single strategy.
Args:
strategy: Incremental strategy instance
trader_params: Additional trader parameters
Returns:
Dict containing backtest results
"""
data = self.load_data()
# Merge trader parameters
final_trader_params = {
"stop_loss_pct": self.config.stop_loss_pct,
"take_profit_pct": self.config.take_profit_pct
}
if trader_params:
final_trader_params.update(trader_params)
# Create trader
trader = IncTrader(
strategy=strategy,
initial_usd=self.config.initial_usd,
params=final_trader_params
)
# Run backtest
logger.info(f"Starting backtest for {strategy.name}...")
start_time = time.time()
self._log_action("single_strategy_backtest_started", {
"strategy_name": strategy.name,
"strategy_params": strategy.params,
"trader_params": final_trader_params,
"data_points": len(data)
})
for timestamp, row in data.iterrows():
ohlcv_data = {
'open': row['open'],
'high': row['high'],
'low': row['low'],
'close': row['close'],
'volume': row['volume']
}
trader.process_data_point(timestamp, ohlcv_data)
# Finalize and get results
trader.finalize()
results = trader.get_results()
backtest_time = time.time() - start_time
results["backtest_duration_seconds"] = backtest_time
results["data_points"] = len(data)
results["config"] = self.config.__dict__
logger.info(f"Backtest completed for {strategy.name} in {backtest_time:.2f}s: "
f"${results['final_usd']:.2f} ({results['profit_ratio']*100:.2f}%), "
f"{results['n_trades']} trades")
self._log_action("single_strategy_backtest_completed", {
"strategy_name": strategy.name,
"backtest_duration_seconds": backtest_time,
"final_usd": results['final_usd'],
"profit_ratio": results['profit_ratio'],
"n_trades": results['n_trades'],
"win_rate": results['win_rate']
})
return results
def run_multiple_strategies(self, strategies: List[IncStrategyBase],
trader_params: Optional[Dict] = None) -> List[Dict[str, Any]]:
"""
Run backtest for multiple strategies simultaneously.
Args:
strategies: List of incremental strategy instances
trader_params: Additional trader parameters
Returns:
List of backtest results for each strategy
"""
self._log_action("multiple_strategies_backtest_started", {
"strategy_count": len(strategies),
"strategy_names": [s.name for s in strategies]
})
results = []
for strategy in strategies:
try:
result = self.run_single_strategy(strategy, trader_params)
results.append(result)
except Exception as e:
logger.error(f"Error running strategy {strategy.name}: {e}")
# Add error result
error_result = {
"strategy_name": strategy.name,
"error": str(e),
"success": False
}
results.append(error_result)
self._log_action("strategy_error", {
"strategy_name": strategy.name,
"error": str(e)
})
self._log_action("multiple_strategies_backtest_completed", {
"total_strategies": len(strategies),
"successful_strategies": len([r for r in results if r.get("success", True)]),
"failed_strategies": len([r for r in results if not r.get("success", True)])
})
return results
def optimize_parameters(self, strategy_class: type, param_grid: Dict[str, List],
trader_param_grid: Optional[Dict[str, List]] = None,
max_workers: Optional[int] = None) -> List[Dict[str, Any]]:
"""
Optimize strategy parameters using grid search with multiprocessing.
Args:
strategy_class: Strategy class to instantiate
param_grid: Grid of strategy parameters to test
trader_param_grid: Grid of trader parameters to test
max_workers: Maximum number of worker processes (uses SystemUtils if None)
Returns:
List of results for each parameter combination
"""
# Generate parameter combinations
strategy_combinations = list(self._generate_param_combinations(param_grid))
trader_combinations = list(self._generate_param_combinations(trader_param_grid or {}))
# If no trader param grid, use default
if not trader_combinations:
trader_combinations = [{}]
# Create all combinations
all_combinations = []
for strategy_params in strategy_combinations:
for trader_params in trader_combinations:
all_combinations.append((strategy_params, trader_params))
logger.info(f"Starting parameter optimization: {len(all_combinations)} combinations")
# Determine number of workers using SystemUtils
if max_workers is None:
max_workers = self.system_utils.get_optimal_workers()
else:
max_workers = min(max_workers, len(all_combinations))
self._log_action("parameter_optimization_started", {
"strategy_class": strategy_class.__name__,
"total_combinations": len(all_combinations),
"max_workers": max_workers,
"strategy_param_grid": param_grid,
"trader_param_grid": trader_param_grid or {}
})
# Run optimization
if max_workers == 1 or len(all_combinations) == 1:
# Single-threaded execution
results = []
for strategy_params, trader_params in all_combinations:
result = self._run_single_combination(strategy_class, strategy_params, trader_params)
results.append(result)
else:
# Multi-threaded execution
results = self._run_parallel_optimization(
strategy_class, all_combinations, max_workers
)
# Sort results by profit ratio
valid_results = [r for r in results if r.get("success", True)]
valid_results.sort(key=lambda x: x.get("profit_ratio", -float('inf')), reverse=True)
logger.info(f"Parameter optimization completed: {len(valid_results)} successful runs")
self._log_action("parameter_optimization_completed", {
"total_runs": len(results),
"successful_runs": len(valid_results),
"failed_runs": len(results) - len(valid_results),
"best_profit_ratio": valid_results[0]["profit_ratio"] if valid_results else None,
"worst_profit_ratio": valid_results[-1]["profit_ratio"] if valid_results else None
})
return results
def _generate_param_combinations(self, param_grid: Dict[str, List]) -> List[Dict]:
"""Generate all parameter combinations from grid."""
if not param_grid:
return [{}]
keys = list(param_grid.keys())
values = list(param_grid.values())
combinations = []
for combination in product(*values):
param_dict = dict(zip(keys, combination))
combinations.append(param_dict)
return combinations
def _run_single_combination(self, strategy_class: type, strategy_params: Dict,
trader_params: Dict) -> Dict[str, Any]:
"""Run backtest for a single parameter combination."""
try:
# Create strategy instance
strategy = strategy_class(params=strategy_params)
# Run backtest
result = self.run_single_strategy(strategy, trader_params)
result["success"] = True
return result
except Exception as e:
logger.error(f"Error in parameter combination {strategy_params}, {trader_params}: {e}")
return {
"strategy_params": strategy_params,
"trader_params": trader_params,
"error": str(e),
"success": False
}
def _run_parallel_optimization(self, strategy_class: type, combinations: List,
max_workers: int) -> List[Dict[str, Any]]:
"""Run parameter optimization in parallel."""
results = []
# Prepare arguments for worker function
worker_args = []
for strategy_params, trader_params in combinations:
args = (strategy_class, strategy_params, trader_params, self.config, self.config.data_file)
worker_args.append(args)
# Execute in parallel
with ProcessPoolExecutor(max_workers=max_workers) as executor:
# Submit all jobs
future_to_params = {
executor.submit(_worker_function, args): args[1:3] # strategy_params, trader_params
for args in worker_args
}
# Collect results as they complete
for future in as_completed(future_to_params):
combo = future_to_params[future]
try:
result = future.result()
results.append(result)
if result.get("success", True):
logger.info(f"Completed: {combo[0]} -> "
f"${result.get('final_usd', 0):.2f} "
f"({result.get('profit_ratio', 0)*100:.2f}%)")
except Exception as e:
logger.error(f"Worker error for {combo}: {e}")
results.append({
"strategy_params": combo[0],
"trader_params": combo[1],
"error": str(e),
"success": False
})
return results
def get_summary_statistics(self, results: List[Dict[str, Any]]) -> Dict[str, Any]:
"""
Calculate summary statistics across multiple backtest results.
Args:
results: List of backtest results
Returns:
Dict containing summary statistics
"""
valid_results = [r for r in results if r.get("success", True)]
if not valid_results:
return {
"total_runs": len(results),
"successful_runs": 0,
"failed_runs": len(results),
"error": "No valid results to summarize"
}
# Extract metrics
profit_ratios = [r["profit_ratio"] for r in valid_results]
final_balances = [r["final_usd"] for r in valid_results]
n_trades_list = [r["n_trades"] for r in valid_results]
win_rates = [r["win_rate"] for r in valid_results]
max_drawdowns = [r["max_drawdown"] for r in valid_results]
summary = {
"total_runs": len(results),
"successful_runs": len(valid_results),
"failed_runs": len(results) - len(valid_results),
# Profit statistics
"profit_ratio": {
"mean": np.mean(profit_ratios),
"std": np.std(profit_ratios),
"min": np.min(profit_ratios),
"max": np.max(profit_ratios),
"median": np.median(profit_ratios)
},
# Balance statistics
"final_usd": {
"mean": np.mean(final_balances),
"std": np.std(final_balances),
"min": np.min(final_balances),
"max": np.max(final_balances),
"median": np.median(final_balances)
},
# Trading statistics
"n_trades": {
"mean": np.mean(n_trades_list),
"std": np.std(n_trades_list),
"min": np.min(n_trades_list),
"max": np.max(n_trades_list),
"median": np.median(n_trades_list)
},
# Performance statistics
"win_rate": {
"mean": np.mean(win_rates),
"std": np.std(win_rates),
"min": np.min(win_rates),
"max": np.max(win_rates),
"median": np.median(win_rates)
},
"max_drawdown": {
"mean": np.mean(max_drawdowns),
"std": np.std(max_drawdowns),
"min": np.min(max_drawdowns),
"max": np.max(max_drawdowns),
"median": np.median(max_drawdowns)
},
# Best performing run
"best_run": max(valid_results, key=lambda x: x["profit_ratio"]),
"worst_run": min(valid_results, key=lambda x: x["profit_ratio"])
}
return summary
def save_comprehensive_results(self, results: List[Dict[str, Any]],
base_filename: str,
summary: Optional[Dict[str, Any]] = None) -> None:
"""
Save comprehensive backtest results including summary, individual results, and action log.
Args:
results: List of backtest results
base_filename: Base filename (without extension)
summary: Optional summary statistics
"""
try:
timestamp = datetime.now().strftime("%Y%m%d_%H%M%S")
# 1. Save summary report
if summary is None:
summary = self.get_summary_statistics(results)
summary_data = {
"session_info": {
"timestamp": timestamp,
"session_start": self.session_start_time.isoformat(),
"session_duration_seconds": (datetime.now() - self.session_start_time).total_seconds(),
"config": self.config.__dict__
},
"summary_statistics": summary,
"action_log_summary": {
"total_actions": len(self.action_log),
"action_types": list(set(action["action_type"] for action in self.action_log))
}
}
summary_filename = f"{base_filename}_summary_{timestamp}.json"
with open(f"results/{summary_filename}", 'w') as f:
json.dump(summary_data, f, indent=2, default=str)
logger.info(f"Summary saved to results/{summary_filename}")
# 2. Save detailed results CSV
self.save_results(results, f"{base_filename}_detailed_{timestamp}.csv")
# 3. Save individual strategy results
valid_results = [r for r in results if r.get("success", True)]
for i, result in enumerate(valid_results):
strategy_filename = f"{base_filename}_strategy_{i+1}_{result['strategy_name']}_{timestamp}.json"
# Include trades and detailed info
strategy_data = {
"strategy_info": {
"name": result['strategy_name'],
"params": result.get('strategy_params', {}),
"trader_params": result.get('trader_params', {})
},
"performance": {
"initial_usd": result['initial_usd'],
"final_usd": result['final_usd'],
"profit_ratio": result['profit_ratio'],
"n_trades": result['n_trades'],
"win_rate": result['win_rate'],
"max_drawdown": result['max_drawdown'],
"avg_trade": result['avg_trade'],
"total_fees_usd": result['total_fees_usd']
},
"execution": {
"backtest_duration_seconds": result.get('backtest_duration_seconds', 0),
"data_points_processed": result.get('data_points_processed', 0),
"warmup_complete": result.get('warmup_complete', False)
},
"trades": result.get('trades', [])
}
with open(f"results/{strategy_filename}", 'w') as f:
json.dump(strategy_data, f, indent=2, default=str)
logger.info(f"Strategy {i+1} details saved to results/{strategy_filename}")
# 4. Save complete action log
action_log_filename = f"{base_filename}_actions_{timestamp}.json"
action_log_data = {
"session_info": {
"timestamp": timestamp,
"session_start": self.session_start_time.isoformat(),
"total_actions": len(self.action_log)
},
"actions": self.action_log
}
with open(f"results/{action_log_filename}", 'w') as f:
json.dump(action_log_data, f, indent=2, default=str)
logger.info(f"Action log saved to results/{action_log_filename}")
# 5. Create a master index file
index_filename = f"{base_filename}_index_{timestamp}.json"
index_data = {
"session_info": {
"timestamp": timestamp,
"base_filename": base_filename,
"total_strategies": len(valid_results),
"session_duration_seconds": (datetime.now() - self.session_start_time).total_seconds()
},
"files": {
"summary": summary_filename,
"detailed_csv": f"{base_filename}_detailed_{timestamp}.csv",
"action_log": action_log_filename,
"individual_strategies": [
f"{base_filename}_strategy_{i+1}_{result['strategy_name']}_{timestamp}.json"
for i, result in enumerate(valid_results)
]
},
"quick_stats": {
"best_profit": summary.get("profit_ratio", {}).get("max", 0) if summary.get("profit_ratio") else 0,
"worst_profit": summary.get("profit_ratio", {}).get("min", 0) if summary.get("profit_ratio") else 0,
"avg_profit": summary.get("profit_ratio", {}).get("mean", 0) if summary.get("profit_ratio") else 0,
"total_successful_runs": summary.get("successful_runs", 0),
"total_failed_runs": summary.get("failed_runs", 0)
}
}
with open(f"results/{index_filename}", 'w') as f:
json.dump(index_data, f, indent=2, default=str)
logger.info(f"Master index saved to results/{index_filename}")
print(f"\n📊 Comprehensive results saved:")
print(f" 📋 Summary: results/{summary_filename}")
print(f" 📈 Detailed CSV: results/{base_filename}_detailed_{timestamp}.csv")
print(f" 📝 Action Log: results/{action_log_filename}")
print(f" 📁 Individual Strategies: {len(valid_results)} files")
print(f" 🗂️ Master Index: results/{index_filename}")
except Exception as e:
logger.error(f"Error saving comprehensive results: {e}")
raise
def save_results(self, results: List[Dict[str, Any]], filename: str) -> None:
"""
Save backtest results to file.
Args:
results: List of backtest results
filename: Output filename
"""
try:
# Convert results to DataFrame for easy saving
df_data = []
for result in results:
if result.get("success", True):
row = {
"strategy_name": result.get("strategy_name", ""),
"profit_ratio": result.get("profit_ratio", 0),
"final_usd": result.get("final_usd", 0),
"n_trades": result.get("n_trades", 0),
"win_rate": result.get("win_rate", 0),
"max_drawdown": result.get("max_drawdown", 0),
"avg_trade": result.get("avg_trade", 0),
"total_fees_usd": result.get("total_fees_usd", 0),
"backtest_duration_seconds": result.get("backtest_duration_seconds", 0),
"data_points_processed": result.get("data_points_processed", 0)
}
# Add strategy parameters
strategy_params = result.get("strategy_params", {})
for key, value in strategy_params.items():
row[f"strategy_{key}"] = value
# Add trader parameters
trader_params = result.get("trader_params", {})
for key, value in trader_params.items():
row[f"trader_{key}"] = value
df_data.append(row)
# Save to CSV
df = pd.DataFrame(df_data)
self.storage.save_data(df, filename)
logger.info(f"Results saved to {filename}: {len(df_data)} rows")
except Exception as e:
logger.error(f"Error saving results to {filename}: {e}")
raise
def __repr__(self) -> str:
"""String representation of the backtester."""
return (f"IncBacktester(data_file={self.config.data_file}, "
f"date_range={self.config.start_date} to {self.config.end_date}, "
f"initial_usd=${self.config.initial_usd})")

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@@ -1,344 +0,0 @@
"""
Incremental Trader for backtesting incremental strategies.
This module provides the IncTrader class that manages a single incremental strategy
during backtesting, handling position state, trade execution, and performance tracking.
"""
import pandas as pd
import numpy as np
from typing import Dict, Optional, List, Any
import logging
from dataclasses import dataclass
from .base import IncStrategyBase, IncStrategySignal
from ..market_fees import MarketFees
logger = logging.getLogger(__name__)
@dataclass
class TradeRecord:
"""Record of a completed trade."""
entry_time: pd.Timestamp
exit_time: pd.Timestamp
entry_price: float
exit_price: float
entry_fee: float
exit_fee: float
profit_pct: float
exit_reason: str
strategy_name: str
class IncTrader:
"""
Incremental trader that manages a single strategy during backtesting.
This class handles:
- Strategy initialization and data feeding
- Position management (USD/coin balance)
- Trade execution based on strategy signals
- Performance tracking and metrics collection
- Fee calculation and trade logging
The trader processes data points sequentially, feeding them to the strategy
and executing trades based on the generated signals.
Example:
strategy = IncRandomStrategy(params={"timeframe": "15min"})
trader = IncTrader(
strategy=strategy,
initial_usd=10000,
params={"stop_loss_pct": 0.02}
)
# Process data sequentially
for timestamp, ohlcv_data in data_stream:
trader.process_data_point(timestamp, ohlcv_data)
# Get results
results = trader.get_results()
"""
def __init__(self, strategy: IncStrategyBase, initial_usd: float = 10000,
params: Optional[Dict] = None):
"""
Initialize the incremental trader.
Args:
strategy: Incremental strategy instance
initial_usd: Initial USD balance
params: Trader parameters (stop_loss_pct, take_profit_pct, etc.)
"""
self.strategy = strategy
self.initial_usd = initial_usd
self.params = params or {}
# Position state
self.usd = initial_usd
self.coin = 0.0
self.position = 0 # 0 = no position, 1 = long position
self.entry_price = 0.0
self.entry_time = None
# Performance tracking
self.max_balance = initial_usd
self.drawdowns = []
self.trade_records = []
self.current_timestamp = None
self.current_price = None
# Strategy state
self.data_points_processed = 0
self.warmup_complete = False
# Parameters
self.stop_loss_pct = self.params.get("stop_loss_pct", 0.0)
self.take_profit_pct = self.params.get("take_profit_pct", 0.0)
logger.info(f"IncTrader initialized: strategy={strategy.name}, "
f"initial_usd=${initial_usd}, stop_loss={self.stop_loss_pct*100:.1f}%")
def process_data_point(self, timestamp: pd.Timestamp, ohlcv_data: Dict[str, float]) -> None:
"""
Process a single data point through the strategy and handle trading logic.
Args:
timestamp: Data point timestamp
ohlcv_data: OHLCV data dictionary with keys: open, high, low, close, volume
"""
self.current_timestamp = timestamp
self.current_price = ohlcv_data['close']
self.data_points_processed += 1
try:
# Feed data to strategy (handles timeframe aggregation internally)
result = self.strategy.update_minute_data(timestamp, ohlcv_data)
# Check if strategy is warmed up
if not self.warmup_complete and self.strategy.is_warmed_up:
self.warmup_complete = True
logger.info(f"Strategy {self.strategy.name} warmed up after "
f"{self.data_points_processed} data points")
# Only process signals if strategy is warmed up and we have a complete timeframe bar
if self.warmup_complete and result is not None:
self._process_trading_logic()
# Update performance tracking
self._update_performance_metrics()
except Exception as e:
logger.error(f"Error processing data point at {timestamp}: {e}")
raise
def _process_trading_logic(self) -> None:
"""Process trading logic based on current position and strategy signals."""
if self.position == 0:
# No position - check for entry signals
self._check_entry_signals()
else:
# In position - check for exit signals
self._check_exit_signals()
def _check_entry_signals(self) -> None:
"""Check for entry signals when not in position."""
try:
entry_signal = self.strategy.get_entry_signal()
if entry_signal.signal_type == "ENTRY" and entry_signal.confidence > 0:
self._execute_entry(entry_signal)
except Exception as e:
logger.error(f"Error checking entry signals: {e}")
def _check_exit_signals(self) -> None:
"""Check for exit signals when in position."""
try:
# Check strategy exit signals
exit_signal = self.strategy.get_exit_signal()
if exit_signal.signal_type == "EXIT" and exit_signal.confidence > 0:
exit_reason = exit_signal.metadata.get("type", "STRATEGY_EXIT")
self._execute_exit(exit_reason, exit_signal.price)
return
# Check stop loss
if self.stop_loss_pct > 0:
stop_loss_price = self.entry_price * (1 - self.stop_loss_pct)
if self.current_price <= stop_loss_price:
self._execute_exit("STOP_LOSS", self.current_price)
return
# Check take profit
if self.take_profit_pct > 0:
take_profit_price = self.entry_price * (1 + self.take_profit_pct)
if self.current_price >= take_profit_price:
self._execute_exit("TAKE_PROFIT", self.current_price)
return
except Exception as e:
logger.error(f"Error checking exit signals: {e}")
def _execute_entry(self, signal: IncStrategySignal) -> None:
"""Execute entry trade."""
entry_price = signal.price if signal.price else self.current_price
entry_fee = MarketFees.calculate_okx_taker_maker_fee(self.usd, is_maker=False)
usd_after_fee = self.usd - entry_fee
self.coin = usd_after_fee / entry_price
self.entry_price = entry_price
self.entry_time = self.current_timestamp
self.usd = 0.0
self.position = 1
logger.info(f"ENTRY: {self.strategy.name} at ${entry_price:.2f}, "
f"confidence={signal.confidence:.2f}, fee=${entry_fee:.2f}")
def _execute_exit(self, exit_reason: str, exit_price: Optional[float] = None) -> None:
"""Execute exit trade."""
exit_price = exit_price if exit_price else self.current_price
usd_gross = self.coin * exit_price
exit_fee = MarketFees.calculate_okx_taker_maker_fee(usd_gross, is_maker=False)
self.usd = usd_gross - exit_fee
# Calculate profit
profit_pct = (exit_price - self.entry_price) / self.entry_price
# Record trade
trade_record = TradeRecord(
entry_time=self.entry_time,
exit_time=self.current_timestamp,
entry_price=self.entry_price,
exit_price=exit_price,
entry_fee=MarketFees.calculate_okx_taker_maker_fee(
self.coin * self.entry_price, is_maker=False
),
exit_fee=exit_fee,
profit_pct=profit_pct,
exit_reason=exit_reason,
strategy_name=self.strategy.name
)
self.trade_records.append(trade_record)
# Reset position
self.coin = 0.0
self.position = 0
self.entry_price = 0.0
self.entry_time = None
logger.info(f"EXIT: {self.strategy.name} at ${exit_price:.2f}, "
f"reason={exit_reason}, profit={profit_pct*100:.2f}%, fee=${exit_fee:.2f}")
def _update_performance_metrics(self) -> None:
"""Update performance tracking metrics."""
# Calculate current balance
if self.position == 0:
current_balance = self.usd
else:
current_balance = self.coin * self.current_price
# Update max balance and drawdown
if current_balance > self.max_balance:
self.max_balance = current_balance
drawdown = (self.max_balance - current_balance) / self.max_balance
self.drawdowns.append(drawdown)
def finalize(self) -> None:
"""Finalize trading session (close any open positions)."""
if self.position == 1:
self._execute_exit("EOD", self.current_price)
logger.info(f"Closed final position for {self.strategy.name} at EOD")
def get_results(self) -> Dict[str, Any]:
"""
Get comprehensive trading results.
Returns:
Dict containing performance metrics, trade records, and statistics
"""
final_balance = self.usd
n_trades = len(self.trade_records)
# Calculate statistics
if n_trades > 0:
profits = [trade.profit_pct for trade in self.trade_records]
wins = [p for p in profits if p > 0]
win_rate = len(wins) / n_trades
avg_trade = np.mean(profits)
total_fees = sum(trade.entry_fee + trade.exit_fee for trade in self.trade_records)
else:
win_rate = 0.0
avg_trade = 0.0
total_fees = 0.0
max_drawdown = max(self.drawdowns) if self.drawdowns else 0.0
profit_ratio = (final_balance - self.initial_usd) / self.initial_usd
# Convert trade records to dictionaries
trades = []
for trade in self.trade_records:
trades.append({
'entry_time': trade.entry_time,
'exit_time': trade.exit_time,
'entry': trade.entry_price,
'exit': trade.exit_price,
'profit_pct': trade.profit_pct,
'type': trade.exit_reason,
'fee_usd': trade.entry_fee + trade.exit_fee,
'strategy': trade.strategy_name
})
results = {
"strategy_name": self.strategy.name,
"strategy_params": self.strategy.params,
"trader_params": self.params,
"initial_usd": self.initial_usd,
"final_usd": final_balance,
"profit_ratio": profit_ratio,
"n_trades": n_trades,
"win_rate": win_rate,
"max_drawdown": max_drawdown,
"avg_trade": avg_trade,
"total_fees_usd": total_fees,
"data_points_processed": self.data_points_processed,
"warmup_complete": self.warmup_complete,
"trades": trades
}
# Add first and last trade info if available
if n_trades > 0:
results["first_trade"] = {
"entry_time": self.trade_records[0].entry_time,
"entry": self.trade_records[0].entry_price
}
results["last_trade"] = {
"exit_time": self.trade_records[-1].exit_time,
"exit": self.trade_records[-1].exit_price
}
return results
def get_current_state(self) -> Dict[str, Any]:
"""Get current trader state for debugging."""
return {
"strategy": self.strategy.name,
"position": self.position,
"usd": self.usd,
"coin": self.coin,
"current_price": self.current_price,
"entry_price": self.entry_price,
"data_points_processed": self.data_points_processed,
"warmup_complete": self.warmup_complete,
"n_trades": len(self.trade_records),
"strategy_state": self.strategy.get_current_state_summary()
}
def __repr__(self) -> str:
"""String representation of the trader."""
return (f"IncTrader(strategy={self.strategy.name}, "
f"position={self.position}, usd=${self.usd:.2f}, "
f"trades={len(self.trade_records)})")

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@@ -1,44 +0,0 @@
"""
Incremental Indicator States Module
This module contains indicator state classes that maintain calculation state
for incremental processing of technical indicators.
All indicator states implement the IndicatorState interface and provide:
- Incremental updates with new data points
- Constant memory usage regardless of data history
- Identical results to traditional batch calculations
- Warm-up detection for reliable indicator values
Classes:
IndicatorState: Abstract base class for all indicator states
MovingAverageState: Incremental moving average calculation
ExponentialMovingAverageState: Incremental exponential moving average calculation
RSIState: Incremental RSI calculation
SimpleRSIState: Incremental simple RSI calculation
ATRState: Incremental Average True Range calculation
SimpleATRState: Incremental simple ATR calculation
SupertrendState: Incremental Supertrend calculation
BollingerBandsState: Incremental Bollinger Bands calculation
BollingerBandsOHLCState: Incremental Bollinger Bands OHLC calculation
"""
from .base import IndicatorState
from .moving_average import MovingAverageState, ExponentialMovingAverageState
from .rsi import RSIState, SimpleRSIState
from .atr import ATRState, SimpleATRState
from .supertrend import SupertrendState
from .bollinger_bands import BollingerBandsState, BollingerBandsOHLCState
__all__ = [
'IndicatorState',
'MovingAverageState',
'ExponentialMovingAverageState',
'RSIState',
'SimpleRSIState',
'ATRState',
'SimpleATRState',
'SupertrendState',
'BollingerBandsState',
'BollingerBandsOHLCState'
]

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@@ -1,242 +0,0 @@
"""
Average True Range (ATR) Indicator State
This module implements incremental ATR calculation that maintains constant memory usage
and provides identical results to traditional batch calculations. ATR is used by
Supertrend and other volatility-based indicators.
"""
from typing import Dict, Union, Optional
from .base import OHLCIndicatorState
from .moving_average import ExponentialMovingAverageState
class ATRState(OHLCIndicatorState):
"""
Incremental Average True Range calculation state.
ATR measures market volatility by calculating the average of true ranges over
a specified period. True Range is the maximum of:
1. Current High - Current Low
2. |Current High - Previous Close|
3. |Current Low - Previous Close|
This implementation uses exponential moving average for smoothing, which is
more responsive than simple moving average and requires less memory.
Attributes:
period (int): The ATR period
ema_state (ExponentialMovingAverageState): EMA state for smoothing true ranges
previous_close (float): Previous period's close price
Example:
atr = ATRState(period=14)
# Add OHLC data incrementally
ohlc = {'open': 100, 'high': 105, 'low': 98, 'close': 103}
atr_value = atr.update(ohlc) # Returns current ATR value
# Check if warmed up
if atr.is_warmed_up():
current_atr = atr.get_current_value()
"""
def __init__(self, period: int = 14):
"""
Initialize ATR state.
Args:
period: Number of periods for ATR calculation (default: 14)
Raises:
ValueError: If period is not a positive integer
"""
super().__init__(period)
self.ema_state = ExponentialMovingAverageState(period)
self.previous_close = None
self.is_initialized = True
def update(self, ohlc_data: Dict[str, float]) -> float:
"""
Update ATR with new OHLC data.
Args:
ohlc_data: Dictionary with 'open', 'high', 'low', 'close' keys
Returns:
Current ATR value
Raises:
ValueError: If OHLC data is invalid
TypeError: If ohlc_data is not a dictionary
"""
# Validate input
if not isinstance(ohlc_data, dict):
raise TypeError(f"ohlc_data must be a dictionary, got {type(ohlc_data)}")
self.validate_input(ohlc_data)
high = float(ohlc_data['high'])
low = float(ohlc_data['low'])
close = float(ohlc_data['close'])
# Calculate True Range
if self.previous_close is None:
# First period - True Range is just High - Low
true_range = high - low
else:
# True Range is the maximum of:
# 1. Current High - Current Low
# 2. |Current High - Previous Close|
# 3. |Current Low - Previous Close|
tr1 = high - low
tr2 = abs(high - self.previous_close)
tr3 = abs(low - self.previous_close)
true_range = max(tr1, tr2, tr3)
# Update EMA with the true range
atr_value = self.ema_state.update(true_range)
# Store current close as previous close for next calculation
self.previous_close = close
self.values_received += 1
# Store current ATR value
self._current_values = {'atr': atr_value}
return atr_value
def is_warmed_up(self) -> bool:
"""
Check if ATR has enough data for reliable values.
Returns:
True if EMA state is warmed up (has enough true range values)
"""
return self.ema_state.is_warmed_up()
def reset(self) -> None:
"""Reset ATR state to initial conditions."""
self.ema_state.reset()
self.previous_close = None
self.values_received = 0
self._current_values = {}
def get_current_value(self) -> Optional[float]:
"""
Get current ATR value without updating.
Returns:
Current ATR value, or None if not warmed up
"""
if not self.is_warmed_up():
return None
return self.ema_state.get_current_value()
def get_state_summary(self) -> dict:
"""Get detailed state summary for debugging."""
base_summary = super().get_state_summary()
base_summary.update({
'previous_close': self.previous_close,
'ema_state': self.ema_state.get_state_summary(),
'current_atr': self.get_current_value()
})
return base_summary
class SimpleATRState(OHLCIndicatorState):
"""
Simple ATR implementation using simple moving average instead of EMA.
This version uses a simple moving average for smoothing true ranges,
which matches some traditional ATR implementations but requires more memory.
"""
def __init__(self, period: int = 14):
"""
Initialize simple ATR state.
Args:
period: Number of periods for ATR calculation (default: 14)
"""
super().__init__(period)
from collections import deque
self.true_ranges = deque(maxlen=period)
self.tr_sum = 0.0
self.previous_close = None
self.is_initialized = True
def update(self, ohlc_data: Dict[str, float]) -> float:
"""
Update simple ATR with new OHLC data.
Args:
ohlc_data: Dictionary with 'open', 'high', 'low', 'close' keys
Returns:
Current ATR value
"""
# Validate input
if not isinstance(ohlc_data, dict):
raise TypeError(f"ohlc_data must be a dictionary, got {type(ohlc_data)}")
self.validate_input(ohlc_data)
high = float(ohlc_data['high'])
low = float(ohlc_data['low'])
close = float(ohlc_data['close'])
# Calculate True Range
if self.previous_close is None:
true_range = high - low
else:
tr1 = high - low
tr2 = abs(high - self.previous_close)
tr3 = abs(low - self.previous_close)
true_range = max(tr1, tr2, tr3)
# Update rolling sum
if len(self.true_ranges) == self.period:
self.tr_sum -= self.true_ranges[0] # Remove oldest value
self.true_ranges.append(true_range)
self.tr_sum += true_range
# Calculate ATR as simple moving average
atr_value = self.tr_sum / len(self.true_ranges)
# Store state
self.previous_close = close
self.values_received += 1
self._current_values = {'atr': atr_value}
return atr_value
def is_warmed_up(self) -> bool:
"""Check if simple ATR is warmed up."""
return len(self.true_ranges) >= self.period
def reset(self) -> None:
"""Reset simple ATR state."""
self.true_ranges.clear()
self.tr_sum = 0.0
self.previous_close = None
self.values_received = 0
self._current_values = {}
def get_current_value(self) -> Optional[float]:
"""Get current simple ATR value."""
if not self.is_warmed_up():
return None
return self.tr_sum / len(self.true_ranges)
def get_state_summary(self) -> dict:
"""Get detailed state summary for debugging."""
base_summary = super().get_state_summary()
base_summary.update({
'previous_close': self.previous_close,
'tr_window_size': len(self.true_ranges),
'tr_sum': self.tr_sum,
'current_atr': self.get_current_value()
})
return base_summary

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@@ -1,197 +0,0 @@
"""
Base Indicator State Class
This module contains the abstract base class for all incremental indicator states.
All indicator implementations must inherit from IndicatorState and implement
the required methods for incremental calculation.
"""
from abc import ABC, abstractmethod
from typing import Any, Dict, Optional, Union
import numpy as np
class IndicatorState(ABC):
"""
Abstract base class for maintaining indicator calculation state.
This class defines the interface that all incremental indicators must implement.
Indicators maintain their internal state and can be updated incrementally with
new data points, providing constant memory usage and high performance.
Attributes:
period (int): The period/window size for the indicator
values_received (int): Number of values processed so far
is_initialized (bool): Whether the indicator has been initialized
Example:
class MyIndicator(IndicatorState):
def __init__(self, period: int):
super().__init__(period)
self._sum = 0.0
def update(self, new_value: float) -> float:
self._sum += new_value
self.values_received += 1
return self._sum / min(self.values_received, self.period)
"""
def __init__(self, period: int):
"""
Initialize the indicator state.
Args:
period: The period/window size for the indicator calculation
Raises:
ValueError: If period is not a positive integer
"""
if not isinstance(period, int) or period <= 0:
raise ValueError(f"Period must be a positive integer, got {period}")
self.period = period
self.values_received = 0
self.is_initialized = False
@abstractmethod
def update(self, new_value: Union[float, Dict[str, float]]) -> Union[float, Dict[str, float]]:
"""
Update indicator with new value and return current indicator value.
This method processes a new data point and updates the internal state
of the indicator. It returns the current indicator value after the update.
Args:
new_value: New data point (can be single value or OHLCV dict)
Returns:
Current indicator value after update (single value or dict)
Raises:
ValueError: If new_value is invalid or incompatible
"""
pass
@abstractmethod
def is_warmed_up(self) -> bool:
"""
Check whether indicator has enough data for reliable values.
Returns:
True if indicator has received enough data points for reliable calculation
"""
pass
@abstractmethod
def reset(self) -> None:
"""
Reset indicator state to initial conditions.
This method clears all internal state and resets the indicator
as if it was just initialized.
"""
pass
@abstractmethod
def get_current_value(self) -> Union[float, Dict[str, float], None]:
"""
Get the current indicator value without updating.
Returns:
Current indicator value, or None if not warmed up
"""
pass
def get_state_summary(self) -> Dict[str, Any]:
"""
Get summary of current indicator state for debugging.
Returns:
Dictionary containing indicator state information
"""
return {
'indicator_type': self.__class__.__name__,
'period': self.period,
'values_received': self.values_received,
'is_warmed_up': self.is_warmed_up(),
'is_initialized': self.is_initialized,
'current_value': self.get_current_value()
}
def validate_input(self, value: Union[float, Dict[str, float]]) -> None:
"""
Validate input value for the indicator.
Args:
value: Input value to validate
Raises:
ValueError: If value is invalid
TypeError: If value type is incorrect
"""
if isinstance(value, (int, float)):
if not np.isfinite(value):
raise ValueError(f"Input value must be finite, got {value}")
elif isinstance(value, dict):
required_keys = ['open', 'high', 'low', 'close']
for key in required_keys:
if key not in value:
raise ValueError(f"OHLCV dict missing required key: {key}")
if not np.isfinite(value[key]):
raise ValueError(f"OHLCV value for {key} must be finite, got {value[key]}")
# Validate OHLC relationships
if not (value['low'] <= value['open'] <= value['high'] and
value['low'] <= value['close'] <= value['high']):
raise ValueError(f"Invalid OHLC relationships: {value}")
else:
raise TypeError(f"Input value must be float or OHLCV dict, got {type(value)}")
def __repr__(self) -> str:
"""String representation of the indicator state."""
return (f"{self.__class__.__name__}(period={self.period}, "
f"values_received={self.values_received}, "
f"warmed_up={self.is_warmed_up()})")
class SimpleIndicatorState(IndicatorState):
"""
Base class for simple single-value indicators.
This class provides common functionality for indicators that work with
single float values and maintain a simple rolling calculation.
"""
def __init__(self, period: int):
"""Initialize simple indicator state."""
super().__init__(period)
self._current_value = None
def get_current_value(self) -> Optional[float]:
"""Get current indicator value."""
return self._current_value if self.is_warmed_up() else None
def is_warmed_up(self) -> bool:
"""Check if indicator is warmed up."""
return self.values_received >= self.period
class OHLCIndicatorState(IndicatorState):
"""
Base class for OHLC-based indicators.
This class provides common functionality for indicators that work with
OHLC data (Open, High, Low, Close) and may return multiple values.
"""
def __init__(self, period: int):
"""Initialize OHLC indicator state."""
super().__init__(period)
self._current_values = {}
def get_current_value(self) -> Optional[Dict[str, float]]:
"""Get current indicator values."""
return self._current_values.copy() if self.is_warmed_up() else None
def is_warmed_up(self) -> bool:
"""Check if indicator is warmed up."""
return self.values_received >= self.period

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@@ -1,325 +0,0 @@
"""
Bollinger Bands Indicator State
This module implements incremental Bollinger Bands calculation that maintains constant memory usage
and provides identical results to traditional batch calculations. Used by the BBRSStrategy.
"""
from typing import Dict, Union, Optional
from collections import deque
import math
from .base import OHLCIndicatorState
from .moving_average import MovingAverageState
class BollingerBandsState(OHLCIndicatorState):
"""
Incremental Bollinger Bands calculation state.
Bollinger Bands consist of:
- Middle Band: Simple Moving Average of close prices
- Upper Band: Middle Band + (Standard Deviation * multiplier)
- Lower Band: Middle Band - (Standard Deviation * multiplier)
This implementation maintains a rolling window for standard deviation calculation
while using the MovingAverageState for the middle band.
Attributes:
period (int): Period for moving average and standard deviation
std_dev_multiplier (float): Multiplier for standard deviation
ma_state (MovingAverageState): Moving average state for middle band
close_values (deque): Rolling window of close prices for std dev calculation
close_sum_sq (float): Sum of squared close values for variance calculation
Example:
bb = BollingerBandsState(period=20, std_dev_multiplier=2.0)
# Add price data incrementally
result = bb.update(103.5) # Close price
upper_band = result['upper_band']
middle_band = result['middle_band']
lower_band = result['lower_band']
bandwidth = result['bandwidth']
"""
def __init__(self, period: int = 20, std_dev_multiplier: float = 2.0):
"""
Initialize Bollinger Bands state.
Args:
period: Period for moving average and standard deviation (default: 20)
std_dev_multiplier: Multiplier for standard deviation (default: 2.0)
Raises:
ValueError: If period is not positive or multiplier is not positive
"""
super().__init__(period)
if std_dev_multiplier <= 0:
raise ValueError(f"Standard deviation multiplier must be positive, got {std_dev_multiplier}")
self.std_dev_multiplier = std_dev_multiplier
self.ma_state = MovingAverageState(period)
# For incremental standard deviation calculation
self.close_values = deque(maxlen=period)
self.close_sum_sq = 0.0 # Sum of squared values
self.is_initialized = True
def update(self, close_price: Union[float, int]) -> Dict[str, float]:
"""
Update Bollinger Bands with new close price.
Args:
close_price: New closing price
Returns:
Dictionary with 'upper_band', 'middle_band', 'lower_band', 'bandwidth', 'std_dev'
Raises:
ValueError: If close_price is not finite
TypeError: If close_price is not numeric
"""
# Validate input
if not isinstance(close_price, (int, float)):
raise TypeError(f"close_price must be numeric, got {type(close_price)}")
self.validate_input(close_price)
close_price = float(close_price)
# Update moving average (middle band)
middle_band = self.ma_state.update(close_price)
# Update rolling window for standard deviation
if len(self.close_values) == self.period:
# Remove oldest value from sum of squares
old_value = self.close_values[0]
self.close_sum_sq -= old_value * old_value
# Add new value
self.close_values.append(close_price)
self.close_sum_sq += close_price * close_price
# Calculate standard deviation
n = len(self.close_values)
if n < 2:
# Not enough data for standard deviation
std_dev = 0.0
else:
# Incremental variance calculation: Var = (sum_sq - n*mean^2) / (n-1)
mean = middle_band
variance = (self.close_sum_sq - n * mean * mean) / (n - 1)
std_dev = math.sqrt(max(variance, 0.0)) # Ensure non-negative
# Calculate bands
upper_band = middle_band + (self.std_dev_multiplier * std_dev)
lower_band = middle_band - (self.std_dev_multiplier * std_dev)
# Calculate bandwidth (normalized band width)
if middle_band != 0:
bandwidth = (upper_band - lower_band) / middle_band
else:
bandwidth = 0.0
self.values_received += 1
# Store current values
result = {
'upper_band': upper_band,
'middle_band': middle_band,
'lower_band': lower_band,
'bandwidth': bandwidth,
'std_dev': std_dev
}
self._current_values = result
return result
def is_warmed_up(self) -> bool:
"""
Check if Bollinger Bands has enough data for reliable values.
Returns:
True if we have at least 'period' number of values
"""
return self.ma_state.is_warmed_up()
def reset(self) -> None:
"""Reset Bollinger Bands state to initial conditions."""
self.ma_state.reset()
self.close_values.clear()
self.close_sum_sq = 0.0
self.values_received = 0
self._current_values = {}
def get_current_value(self) -> Optional[Dict[str, float]]:
"""
Get current Bollinger Bands values without updating.
Returns:
Dictionary with current BB values, or None if not warmed up
"""
if not self.is_warmed_up():
return None
return self._current_values.copy() if self._current_values else None
def get_squeeze_status(self, squeeze_threshold: float = 0.05) -> bool:
"""
Check if Bollinger Bands are in a squeeze condition.
Args:
squeeze_threshold: Bandwidth threshold for squeeze detection
Returns:
True if bandwidth is below threshold (squeeze condition)
"""
if not self.is_warmed_up() or not self._current_values:
return False
bandwidth = self._current_values.get('bandwidth', float('inf'))
return bandwidth < squeeze_threshold
def get_position_relative_to_bands(self, current_price: float) -> str:
"""
Get current price position relative to Bollinger Bands.
Args:
current_price: Current price to evaluate
Returns:
'above_upper', 'between_bands', 'below_lower', or 'unknown'
"""
if not self.is_warmed_up() or not self._current_values:
return 'unknown'
upper_band = self._current_values['upper_band']
lower_band = self._current_values['lower_band']
if current_price > upper_band:
return 'above_upper'
elif current_price < lower_band:
return 'below_lower'
else:
return 'between_bands'
def get_state_summary(self) -> dict:
"""Get detailed state summary for debugging."""
base_summary = super().get_state_summary()
base_summary.update({
'std_dev_multiplier': self.std_dev_multiplier,
'close_values_count': len(self.close_values),
'close_sum_sq': self.close_sum_sq,
'ma_state': self.ma_state.get_state_summary(),
'current_squeeze': self.get_squeeze_status() if self.is_warmed_up() else None
})
return base_summary
class BollingerBandsOHLCState(OHLCIndicatorState):
"""
Bollinger Bands implementation that works with OHLC data.
This version can calculate Bollinger Bands based on different price types
(close, typical price, etc.) and provides additional OHLC-based analysis.
"""
def __init__(self, period: int = 20, std_dev_multiplier: float = 2.0, price_type: str = 'close'):
"""
Initialize OHLC Bollinger Bands state.
Args:
period: Period for calculation
std_dev_multiplier: Standard deviation multiplier
price_type: Price type to use ('close', 'typical', 'median', 'weighted')
"""
super().__init__(period)
if price_type not in ['close', 'typical', 'median', 'weighted']:
raise ValueError(f"Invalid price_type: {price_type}")
self.std_dev_multiplier = std_dev_multiplier
self.price_type = price_type
self.bb_state = BollingerBandsState(period, std_dev_multiplier)
self.is_initialized = True
def _extract_price(self, ohlc_data: Dict[str, float]) -> float:
"""Extract price based on price_type setting."""
if self.price_type == 'close':
return ohlc_data['close']
elif self.price_type == 'typical':
return (ohlc_data['high'] + ohlc_data['low'] + ohlc_data['close']) / 3.0
elif self.price_type == 'median':
return (ohlc_data['high'] + ohlc_data['low']) / 2.0
elif self.price_type == 'weighted':
return (ohlc_data['high'] + ohlc_data['low'] + 2 * ohlc_data['close']) / 4.0
else:
return ohlc_data['close']
def update(self, ohlc_data: Dict[str, float]) -> Dict[str, float]:
"""
Update Bollinger Bands with OHLC data.
Args:
ohlc_data: Dictionary with OHLC data
Returns:
Dictionary with Bollinger Bands values plus OHLC analysis
"""
# Validate input
if not isinstance(ohlc_data, dict):
raise TypeError(f"ohlc_data must be a dictionary, got {type(ohlc_data)}")
self.validate_input(ohlc_data)
# Extract price based on type
price = self._extract_price(ohlc_data)
# Update underlying BB state
bb_result = self.bb_state.update(price)
# Add OHLC-specific analysis
high = ohlc_data['high']
low = ohlc_data['low']
close = ohlc_data['close']
# Check if high/low touched bands
upper_band = bb_result['upper_band']
lower_band = bb_result['lower_band']
bb_result.update({
'high_above_upper': high > upper_band,
'low_below_lower': low < lower_band,
'close_position': self.bb_state.get_position_relative_to_bands(close),
'price_type': self.price_type,
'extracted_price': price
})
self.values_received += 1
self._current_values = bb_result
return bb_result
def is_warmed_up(self) -> bool:
"""Check if OHLC Bollinger Bands is warmed up."""
return self.bb_state.is_warmed_up()
def reset(self) -> None:
"""Reset OHLC Bollinger Bands state."""
self.bb_state.reset()
self.values_received = 0
self._current_values = {}
def get_current_value(self) -> Optional[Dict[str, float]]:
"""Get current OHLC Bollinger Bands values."""
return self.bb_state.get_current_value()
def get_state_summary(self) -> dict:
"""Get detailed state summary."""
base_summary = super().get_state_summary()
base_summary.update({
'price_type': self.price_type,
'bb_state': self.bb_state.get_state_summary()
})
return base_summary

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@@ -1,228 +0,0 @@
"""
Moving Average Indicator State
This module implements incremental moving average calculation that maintains
constant memory usage and provides identical results to traditional batch calculations.
"""
from collections import deque
from typing import Union
from .base import SimpleIndicatorState
class MovingAverageState(SimpleIndicatorState):
"""
Incremental moving average calculation state.
This class maintains the state for calculating a simple moving average
incrementally. It uses a rolling window approach with constant memory usage.
Attributes:
period (int): The moving average period
values (deque): Rolling window of values (max length = period)
sum (float): Current sum of values in the window
Example:
ma = MovingAverageState(period=20)
# Add values incrementally
ma_value = ma.update(100.0) # Returns current MA value
ma_value = ma.update(105.0) # Updates and returns new MA value
# Check if warmed up (has enough values)
if ma.is_warmed_up():
current_ma = ma.get_current_value()
"""
def __init__(self, period: int):
"""
Initialize moving average state.
Args:
period: Number of periods for the moving average
Raises:
ValueError: If period is not a positive integer
"""
super().__init__(period)
self.values = deque(maxlen=period)
self.sum = 0.0
self.is_initialized = True
def update(self, new_value: Union[float, int]) -> float:
"""
Update moving average with new value.
Args:
new_value: New price/value to add to the moving average
Returns:
Current moving average value
Raises:
ValueError: If new_value is not finite
TypeError: If new_value is not numeric
"""
# Validate input
if not isinstance(new_value, (int, float)):
raise TypeError(f"new_value must be numeric, got {type(new_value)}")
self.validate_input(new_value)
# If deque is at max capacity, subtract the value being removed
if len(self.values) == self.period:
self.sum -= self.values[0] # Will be automatically removed by deque
# Add new value
self.values.append(float(new_value))
self.sum += float(new_value)
self.values_received += 1
# Calculate current moving average
current_count = len(self.values)
self._current_value = self.sum / current_count
return self._current_value
def is_warmed_up(self) -> bool:
"""
Check if moving average has enough data for reliable values.
Returns:
True if we have at least 'period' number of values
"""
return len(self.values) >= self.period
def reset(self) -> None:
"""Reset moving average state to initial conditions."""
self.values.clear()
self.sum = 0.0
self.values_received = 0
self._current_value = None
def get_current_value(self) -> Union[float, None]:
"""
Get current moving average value without updating.
Returns:
Current moving average value, or None if not enough data
"""
if len(self.values) == 0:
return None
return self.sum / len(self.values)
def get_state_summary(self) -> dict:
"""Get detailed state summary for debugging."""
base_summary = super().get_state_summary()
base_summary.update({
'window_size': len(self.values),
'sum': self.sum,
'values_in_window': list(self.values) if len(self.values) <= 10 else f"[{len(self.values)} values]"
})
return base_summary
class ExponentialMovingAverageState(SimpleIndicatorState):
"""
Incremental exponential moving average calculation state.
This class maintains the state for calculating an exponential moving average (EMA)
incrementally. EMA gives more weight to recent values and requires minimal memory.
Attributes:
period (int): The EMA period (used to calculate smoothing factor)
alpha (float): Smoothing factor (2 / (period + 1))
ema_value (float): Current EMA value
Example:
ema = ExponentialMovingAverageState(period=20)
# Add values incrementally
ema_value = ema.update(100.0) # Returns current EMA value
ema_value = ema.update(105.0) # Updates and returns new EMA value
"""
def __init__(self, period: int):
"""
Initialize exponential moving average state.
Args:
period: Number of periods for the EMA (used to calculate alpha)
Raises:
ValueError: If period is not a positive integer
"""
super().__init__(period)
self.alpha = 2.0 / (period + 1) # Smoothing factor
self.ema_value = None
self.is_initialized = True
def update(self, new_value: Union[float, int]) -> float:
"""
Update exponential moving average with new value.
Args:
new_value: New price/value to add to the EMA
Returns:
Current EMA value
Raises:
ValueError: If new_value is not finite
TypeError: If new_value is not numeric
"""
# Validate input
if not isinstance(new_value, (int, float)):
raise TypeError(f"new_value must be numeric, got {type(new_value)}")
self.validate_input(new_value)
new_value = float(new_value)
if self.ema_value is None:
# First value - initialize EMA
self.ema_value = new_value
else:
# EMA formula: EMA = alpha * new_value + (1 - alpha) * previous_EMA
self.ema_value = self.alpha * new_value + (1 - self.alpha) * self.ema_value
self.values_received += 1
self._current_value = self.ema_value
return self.ema_value
def is_warmed_up(self) -> bool:
"""
Check if EMA has enough data for reliable values.
For EMA, we consider it warmed up after receiving 'period' number of values,
though it starts producing values immediately.
Returns:
True if we have at least 'period' number of values
"""
return self.values_received >= self.period
def reset(self) -> None:
"""Reset EMA state to initial conditions."""
self.ema_value = None
self.values_received = 0
self._current_value = None
def get_current_value(self) -> Union[float, None]:
"""
Get current EMA value without updating.
Returns:
Current EMA value, or None if no data received
"""
return self.ema_value
def get_state_summary(self) -> dict:
"""Get detailed state summary for debugging."""
base_summary = super().get_state_summary()
base_summary.update({
'alpha': self.alpha,
'ema_value': self.ema_value
})
return base_summary

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@@ -1,289 +0,0 @@
"""
RSI (Relative Strength Index) Indicator State
This module implements incremental RSI calculation that maintains constant memory usage
and provides identical results to traditional batch calculations.
"""
from typing import Union, Optional
from .base import SimpleIndicatorState
from .moving_average import ExponentialMovingAverageState
class RSIState(SimpleIndicatorState):
"""
Incremental RSI calculation state using Wilder's smoothing.
RSI measures the speed and magnitude of price changes to evaluate overbought
or oversold conditions. It oscillates between 0 and 100.
RSI = 100 - (100 / (1 + RS))
where RS = Average Gain / Average Loss over the specified period
This implementation uses Wilder's smoothing (alpha = 1/period) to match
the original pandas implementation exactly.
Attributes:
period (int): The RSI period (typically 14)
alpha (float): Wilder's smoothing factor (1/period)
avg_gain (float): Current average gain
avg_loss (float): Current average loss
previous_close (float): Previous period's close price
Example:
rsi = RSIState(period=14)
# Add price data incrementally
rsi_value = rsi.update(100.0) # Returns current RSI value
rsi_value = rsi.update(105.0) # Updates and returns new RSI value
# Check if warmed up
if rsi.is_warmed_up():
current_rsi = rsi.get_current_value()
"""
def __init__(self, period: int = 14):
"""
Initialize RSI state.
Args:
period: Number of periods for RSI calculation (default: 14)
Raises:
ValueError: If period is not a positive integer
"""
super().__init__(period)
self.alpha = 1.0 / period # Wilder's smoothing factor
self.avg_gain = None
self.avg_loss = None
self.previous_close = None
self.is_initialized = True
def update(self, new_close: Union[float, int]) -> float:
"""
Update RSI with new close price using Wilder's smoothing.
Args:
new_close: New closing price
Returns:
Current RSI value (0-100), or NaN if not warmed up
Raises:
ValueError: If new_close is not finite
TypeError: If new_close is not numeric
"""
# Validate input - accept numpy types as well
import numpy as np
if not isinstance(new_close, (int, float, np.integer, np.floating)):
raise TypeError(f"new_close must be numeric, got {type(new_close)}")
self.validate_input(float(new_close))
new_close = float(new_close)
if self.previous_close is None:
# First value - no gain/loss to calculate
self.previous_close = new_close
self.values_received += 1
# Return NaN until warmed up (matches original behavior)
self._current_value = float('nan')
return self._current_value
# Calculate price change
price_change = new_close - self.previous_close
# Separate gains and losses
gain = max(price_change, 0.0)
loss = max(-price_change, 0.0)
if self.avg_gain is None:
# Initialize with first gain/loss
self.avg_gain = gain
self.avg_loss = loss
else:
# Wilder's smoothing: avg = alpha * new_value + (1 - alpha) * previous_avg
self.avg_gain = self.alpha * gain + (1 - self.alpha) * self.avg_gain
self.avg_loss = self.alpha * loss + (1 - self.alpha) * self.avg_loss
# Calculate RSI only if warmed up
# RSI should start when we have 'period' price changes (not including the first value)
if self.values_received > self.period:
if self.avg_loss == 0.0:
# Avoid division by zero - all gains, no losses
if self.avg_gain > 0:
rsi_value = 100.0
else:
rsi_value = 50.0 # Neutral when both are zero
else:
rs = self.avg_gain / self.avg_loss
rsi_value = 100.0 - (100.0 / (1.0 + rs))
else:
# Not warmed up yet - return NaN
rsi_value = float('nan')
# Store state
self.previous_close = new_close
self.values_received += 1
self._current_value = rsi_value
return rsi_value
def is_warmed_up(self) -> bool:
"""
Check if RSI has enough data for reliable values.
Returns:
True if we have enough price changes for RSI calculation
"""
return self.values_received > self.period
def reset(self) -> None:
"""Reset RSI state to initial conditions."""
self.alpha = 1.0 / self.period
self.avg_gain = None
self.avg_loss = None
self.previous_close = None
self.values_received = 0
self._current_value = None
def get_current_value(self) -> Optional[float]:
"""
Get current RSI value without updating.
Returns:
Current RSI value (0-100), or None if not enough data
"""
if not self.is_warmed_up():
return None
return self._current_value
def get_state_summary(self) -> dict:
"""Get detailed state summary for debugging."""
base_summary = super().get_state_summary()
base_summary.update({
'alpha': self.alpha,
'previous_close': self.previous_close,
'avg_gain': self.avg_gain,
'avg_loss': self.avg_loss,
'current_rsi': self.get_current_value()
})
return base_summary
class SimpleRSIState(SimpleIndicatorState):
"""
Simple RSI implementation using simple moving averages instead of EMAs.
This version uses simple moving averages for gain and loss smoothing,
which matches traditional RSI implementations but requires more memory.
"""
def __init__(self, period: int = 14):
"""
Initialize simple RSI state.
Args:
period: Number of periods for RSI calculation (default: 14)
"""
super().__init__(period)
from collections import deque
self.gains = deque(maxlen=period)
self.losses = deque(maxlen=period)
self.gain_sum = 0.0
self.loss_sum = 0.0
self.previous_close = None
self.is_initialized = True
def update(self, new_close: Union[float, int]) -> float:
"""
Update simple RSI with new close price.
Args:
new_close: New closing price
Returns:
Current RSI value (0-100)
"""
# Validate input
if not isinstance(new_close, (int, float)):
raise TypeError(f"new_close must be numeric, got {type(new_close)}")
self.validate_input(new_close)
new_close = float(new_close)
if self.previous_close is None:
# First value
self.previous_close = new_close
self.values_received += 1
self._current_value = 50.0
return self._current_value
# Calculate price change
price_change = new_close - self.previous_close
gain = max(price_change, 0.0)
loss = max(-price_change, 0.0)
# Update rolling sums
if len(self.gains) == self.period:
self.gain_sum -= self.gains[0]
self.loss_sum -= self.losses[0]
self.gains.append(gain)
self.losses.append(loss)
self.gain_sum += gain
self.loss_sum += loss
# Calculate RSI
if len(self.gains) == 0:
rsi_value = 50.0
else:
avg_gain = self.gain_sum / len(self.gains)
avg_loss = self.loss_sum / len(self.losses)
if avg_loss == 0.0:
rsi_value = 100.0
else:
rs = avg_gain / avg_loss
rsi_value = 100.0 - (100.0 / (1.0 + rs))
# Store state
self.previous_close = new_close
self.values_received += 1
self._current_value = rsi_value
return rsi_value
def is_warmed_up(self) -> bool:
"""Check if simple RSI is warmed up."""
return len(self.gains) >= self.period
def reset(self) -> None:
"""Reset simple RSI state."""
self.gains.clear()
self.losses.clear()
self.gain_sum = 0.0
self.loss_sum = 0.0
self.previous_close = None
self.values_received = 0
self._current_value = None
def get_current_value(self) -> Optional[float]:
"""Get current simple RSI value."""
if self.values_received == 0:
return None
return self._current_value
def get_state_summary(self) -> dict:
"""Get detailed state summary for debugging."""
base_summary = super().get_state_summary()
base_summary.update({
'previous_close': self.previous_close,
'gains_window_size': len(self.gains),
'losses_window_size': len(self.losses),
'gain_sum': self.gain_sum,
'loss_sum': self.loss_sum,
'current_rsi': self.get_current_value()
})
return base_summary

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@@ -1,333 +0,0 @@
"""
Supertrend Indicator State
This module implements incremental Supertrend calculation that maintains constant memory usage
and provides identical results to traditional batch calculations. Supertrend is used by
the DefaultStrategy for trend detection.
"""
from typing import Dict, Union, Optional
from .base import OHLCIndicatorState
from .atr import ATRState
class SupertrendState(OHLCIndicatorState):
"""
Incremental Supertrend calculation state.
Supertrend is a trend-following indicator that uses Average True Range (ATR)
to calculate dynamic support and resistance levels. It provides clear trend
direction signals: +1 for uptrend, -1 for downtrend.
The calculation involves:
1. Calculate ATR for the given period
2. Calculate basic upper and lower bands using ATR and multiplier
3. Calculate final upper and lower bands with trend logic
4. Determine trend direction based on price vs bands
Attributes:
period (int): ATR period for Supertrend calculation
multiplier (float): Multiplier for ATR in band calculation
atr_state (ATRState): ATR calculation state
previous_close (float): Previous period's close price
previous_trend (int): Previous trend direction (+1 or -1)
final_upper_band (float): Current final upper band
final_lower_band (float): Current final lower band
Example:
supertrend = SupertrendState(period=10, multiplier=3.0)
# Add OHLC data incrementally
ohlc = {'open': 100, 'high': 105, 'low': 98, 'close': 103}
result = supertrend.update(ohlc)
trend = result['trend'] # +1 or -1
supertrend_value = result['supertrend'] # Supertrend line value
"""
def __init__(self, period: int = 10, multiplier: float = 3.0):
"""
Initialize Supertrend state.
Args:
period: ATR period for Supertrend calculation (default: 10)
multiplier: Multiplier for ATR in band calculation (default: 3.0)
Raises:
ValueError: If period is not positive or multiplier is not positive
"""
super().__init__(period)
if multiplier <= 0:
raise ValueError(f"Multiplier must be positive, got {multiplier}")
self.multiplier = multiplier
self.atr_state = ATRState(period)
# State variables
self.previous_close = None
self.previous_trend = None # Don't assume initial trend, let first calculation determine it
self.final_upper_band = None
self.final_lower_band = None
# Current values
self.current_trend = None
self.current_supertrend = None
self.is_initialized = True
def update(self, ohlc_data: Dict[str, float]) -> Dict[str, float]:
"""
Update Supertrend with new OHLC data.
Args:
ohlc_data: Dictionary with 'open', 'high', 'low', 'close' keys
Returns:
Dictionary with 'trend', 'supertrend', 'upper_band', 'lower_band' keys
Raises:
ValueError: If OHLC data is invalid
TypeError: If ohlc_data is not a dictionary
"""
# Validate input
if not isinstance(ohlc_data, dict):
raise TypeError(f"ohlc_data must be a dictionary, got {type(ohlc_data)}")
self.validate_input(ohlc_data)
high = float(ohlc_data['high'])
low = float(ohlc_data['low'])
close = float(ohlc_data['close'])
# Update ATR
atr_value = self.atr_state.update(ohlc_data)
# Calculate HL2 (typical price)
hl2 = (high + low) / 2.0
# Calculate basic upper and lower bands
basic_upper_band = hl2 + (self.multiplier * atr_value)
basic_lower_band = hl2 - (self.multiplier * atr_value)
# Calculate final upper band
if self.final_upper_band is None or basic_upper_band < self.final_upper_band or self.previous_close > self.final_upper_band:
final_upper_band = basic_upper_band
else:
final_upper_band = self.final_upper_band
# Calculate final lower band
if self.final_lower_band is None or basic_lower_band > self.final_lower_band or self.previous_close < self.final_lower_band:
final_lower_band = basic_lower_band
else:
final_lower_band = self.final_lower_band
# Determine trend
if self.previous_close is None:
# First calculation - match original logic
# If close <= upper_band, trend is -1 (downtrend), else trend is 1 (uptrend)
trend = -1 if close <= basic_upper_band else 1
else:
# Trend logic for subsequent calculations
if self.previous_trend == 1 and close <= final_lower_band:
trend = -1
elif self.previous_trend == -1 and close >= final_upper_band:
trend = 1
else:
trend = self.previous_trend
# Calculate Supertrend value
if trend == 1:
supertrend_value = final_lower_band
else:
supertrend_value = final_upper_band
# Store current state
self.previous_close = close
self.previous_trend = trend
self.final_upper_band = final_upper_band
self.final_lower_band = final_lower_band
self.current_trend = trend
self.current_supertrend = supertrend_value
self.values_received += 1
# Prepare result
result = {
'trend': trend,
'supertrend': supertrend_value,
'upper_band': final_upper_band,
'lower_band': final_lower_band,
'atr': atr_value
}
self._current_values = result
return result
def is_warmed_up(self) -> bool:
"""
Check if Supertrend has enough data for reliable values.
Returns:
True if ATR state is warmed up
"""
return self.atr_state.is_warmed_up()
def reset(self) -> None:
"""Reset Supertrend state to initial conditions."""
self.atr_state.reset()
self.previous_close = None
self.previous_trend = None
self.final_upper_band = None
self.final_lower_band = None
self.current_trend = None
self.current_supertrend = None
self.values_received = 0
self._current_values = {}
def get_current_value(self) -> Optional[Dict[str, float]]:
"""
Get current Supertrend values without updating.
Returns:
Dictionary with current Supertrend values, or None if not warmed up
"""
if not self.is_warmed_up():
return None
return self._current_values.copy() if self._current_values else None
def get_current_trend(self) -> int:
"""
Get current trend direction.
Returns:
Current trend: +1 for uptrend, -1 for downtrend, 0 if not initialized
"""
return self.current_trend if self.current_trend is not None else 0
def get_current_supertrend_value(self) -> Optional[float]:
"""
Get current Supertrend line value.
Returns:
Current Supertrend value, or None if not available
"""
return self.current_supertrend
def get_state_summary(self) -> dict:
"""Get detailed state summary for debugging."""
base_summary = super().get_state_summary()
base_summary.update({
'multiplier': self.multiplier,
'previous_close': self.previous_close,
'previous_trend': self.previous_trend,
'current_trend': self.current_trend,
'current_supertrend': self.current_supertrend,
'final_upper_band': self.final_upper_band,
'final_lower_band': self.final_lower_band,
'atr_state': self.atr_state.get_state_summary()
})
return base_summary
class SupertrendCollection:
"""
Collection of multiple Supertrend indicators with different parameters.
This class manages multiple Supertrend indicators and provides meta-trend
calculation based on agreement between different Supertrend configurations.
Used by the DefaultStrategy for robust trend detection.
Example:
# Create collection with three Supertrend indicators
collection = SupertrendCollection([
(10, 3.0), # period=10, multiplier=3.0
(11, 2.0), # period=11, multiplier=2.0
(12, 1.0) # period=12, multiplier=1.0
])
# Update all indicators
results = collection.update(ohlc_data)
meta_trend = results['meta_trend'] # 1, -1, or 0 (neutral)
"""
def __init__(self, supertrend_configs: list):
"""
Initialize Supertrend collection.
Args:
supertrend_configs: List of (period, multiplier) tuples
"""
self.supertrends = []
for period, multiplier in supertrend_configs:
self.supertrends.append(SupertrendState(period, multiplier))
self.values_received = 0
def update(self, ohlc_data: Dict[str, float]) -> Dict[str, Union[int, list]]:
"""
Update all Supertrend indicators and calculate meta-trend.
Args:
ohlc_data: OHLC data dictionary
Returns:
Dictionary with individual trends and meta-trend
"""
trends = []
results = []
# Update each Supertrend
for supertrend in self.supertrends:
result = supertrend.update(ohlc_data)
trends.append(result['trend'])
results.append(result)
# Calculate meta-trend: all must agree for directional signal
if all(trend == trends[0] for trend in trends):
meta_trend = trends[0] # All agree
else:
meta_trend = 0 # Neutral when trends don't agree
self.values_received += 1
return {
'trends': trends,
'meta_trend': meta_trend,
'results': results
}
def is_warmed_up(self) -> bool:
"""Check if all Supertrend indicators are warmed up."""
return all(st.is_warmed_up() for st in self.supertrends)
def reset(self) -> None:
"""Reset all Supertrend indicators."""
for supertrend in self.supertrends:
supertrend.reset()
self.values_received = 0
def get_current_meta_trend(self) -> int:
"""
Get current meta-trend without updating.
Returns:
Current meta-trend: +1, -1, or 0
"""
if not self.is_warmed_up():
return 0
trends = [st.get_current_trend() for st in self.supertrends]
if all(trend == trends[0] for trend in trends):
return trends[0]
else:
return 0
def get_state_summary(self) -> dict:
"""Get detailed state summary for all Supertrends."""
return {
'num_supertrends': len(self.supertrends),
'values_received': self.values_received,
'is_warmed_up': self.is_warmed_up(),
'current_meta_trend': self.get_current_meta_trend(),
'supertrends': [st.get_state_summary() for st in self.supertrends]
}

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@@ -1,423 +0,0 @@
"""
Incremental MetaTrend Strategy
This module implements an incremental version of the DefaultStrategy that processes
real-time data efficiently while producing identical meta-trend signals to the
original batch-processing implementation.
The strategy uses 3 Supertrend indicators with parameters:
- Supertrend 1: period=12, multiplier=3.0
- Supertrend 2: period=10, multiplier=1.0
- Supertrend 3: period=11, multiplier=2.0
Meta-trend calculation:
- Meta-trend = 1 when all 3 Supertrends agree on uptrend
- Meta-trend = -1 when all 3 Supertrends agree on downtrend
- Meta-trend = 0 when Supertrends disagree (neutral)
Signal generation:
- Entry: meta-trend changes from != 1 to == 1
- Exit: meta-trend changes from != -1 to == -1
Stop-loss handling is delegated to the trader layer.
"""
import pandas as pd
import numpy as np
from typing import Dict, Optional, List, Any
import logging
from .base import IncStrategyBase, IncStrategySignal
from .indicators.supertrend import SupertrendCollection
logger = logging.getLogger(__name__)
class IncMetaTrendStrategy(IncStrategyBase):
"""
Incremental MetaTrend strategy implementation.
This strategy uses multiple Supertrend indicators to determine market direction
and generates entry/exit signals based on meta-trend changes. It processes
data incrementally for real-time performance while maintaining mathematical
equivalence to the original DefaultStrategy.
The strategy is designed to work with any timeframe but defaults to the
timeframe specified in parameters (or 15min if not specified).
Parameters:
timeframe (str): Primary timeframe for analysis (default: "15min")
buffer_size_multiplier (float): Buffer size multiplier for memory management (default: 2.0)
enable_logging (bool): Enable detailed logging (default: False)
Example:
strategy = IncMetaTrendStrategy("metatrend", weight=1.0, params={
"timeframe": "15min",
"enable_logging": True
})
"""
def __init__(self, name: str = "metatrend", weight: float = 1.0, params: Optional[Dict] = None):
"""
Initialize the incremental MetaTrend strategy.
Args:
name: Strategy name/identifier
weight: Strategy weight for combination (default: 1.0)
params: Strategy parameters
"""
super().__init__(name, weight, params)
# Strategy configuration - now handled by base class timeframe aggregation
self.primary_timeframe = self.params.get("timeframe", "15min")
self.enable_logging = self.params.get("enable_logging", False)
# Configure logging level
if self.enable_logging:
logger.setLevel(logging.DEBUG)
# Initialize Supertrend collection with exact parameters from original strategy
self.supertrend_configs = [
(12, 3.0), # period=12, multiplier=3.0
(10, 1.0), # period=10, multiplier=1.0
(11, 2.0) # period=11, multiplier=2.0
]
self.supertrend_collection = SupertrendCollection(self.supertrend_configs)
# Meta-trend state
self.current_meta_trend = 0
self.previous_meta_trend = 0
self._meta_trend_history = [] # For debugging/analysis
# Signal generation state
self._last_entry_signal = None
self._last_exit_signal = None
self._signal_count = {"entry": 0, "exit": 0}
# Performance tracking
self._update_count = 0
self._last_update_time = None
logger.info(f"IncMetaTrendStrategy initialized: timeframe={self.primary_timeframe}, "
f"aggregation_enabled={self._timeframe_aggregator is not None}")
def get_minimum_buffer_size(self) -> Dict[str, int]:
"""
Return minimum data points needed for reliable Supertrend calculations.
With the new base class timeframe aggregation, we only need to specify
the minimum buffer size for our primary timeframe. The base class
handles minute-level data aggregation automatically.
Returns:
Dict[str, int]: {timeframe: min_points} mapping
"""
# Find the largest period among all Supertrend configurations
max_period = max(config[0] for config in self.supertrend_configs)
# Add buffer for ATR warmup (ATR typically needs ~2x period for stability)
min_buffer_size = max_period * 2 + 10 # Extra 10 points for safety
# With new base class, we only specify our primary timeframe
# The base class handles minute-level aggregation automatically
return {self.primary_timeframe: min_buffer_size}
def calculate_on_data(self, new_data_point: Dict[str, float], timestamp: pd.Timestamp) -> None:
"""
Process a single new data point incrementally.
This method updates the Supertrend indicators and recalculates the meta-trend
based on the new data point.
Args:
new_data_point: OHLCV data point {open, high, low, close, volume}
timestamp: Timestamp of the data point
"""
try:
self._update_count += 1
self._last_update_time = timestamp
if self.enable_logging:
logger.debug(f"Processing data point {self._update_count} at {timestamp}")
logger.debug(f"OHLC: O={new_data_point.get('open', 0):.2f}, "
f"H={new_data_point.get('high', 0):.2f}, "
f"L={new_data_point.get('low', 0):.2f}, "
f"C={new_data_point.get('close', 0):.2f}")
# Store previous meta-trend for change detection
self.previous_meta_trend = self.current_meta_trend
# Update Supertrend collection with new data
supertrend_results = self.supertrend_collection.update(new_data_point)
# Calculate new meta-trend
self.current_meta_trend = self._calculate_meta_trend(supertrend_results)
# Store meta-trend history for analysis
self._meta_trend_history.append({
'timestamp': timestamp,
'meta_trend': self.current_meta_trend,
'individual_trends': supertrend_results['trends'].copy(),
'update_count': self._update_count
})
# Limit history size to prevent memory growth
if len(self._meta_trend_history) > 1000:
self._meta_trend_history = self._meta_trend_history[-500:] # Keep last 500
# Log meta-trend changes
if self.enable_logging and self.current_meta_trend != self.previous_meta_trend:
logger.info(f"Meta-trend changed: {self.previous_meta_trend} -> {self.current_meta_trend} "
f"at {timestamp} (update #{self._update_count})")
logger.debug(f"Individual trends: {supertrend_results['trends']}")
# Update warmup status
if not self._is_warmed_up and self.supertrend_collection.is_warmed_up():
self._is_warmed_up = True
logger.info(f"Strategy warmed up after {self._update_count} data points")
except Exception as e:
logger.error(f"Error in calculate_on_data: {e}")
raise
def supports_incremental_calculation(self) -> bool:
"""
Whether strategy supports incremental calculation.
Returns:
bool: True (this strategy is fully incremental)
"""
return True
def get_entry_signal(self) -> IncStrategySignal:
"""
Generate entry signal based on meta-trend direction change.
Entry occurs when meta-trend changes from != 1 to == 1, indicating
all Supertrend indicators now agree on upward direction.
Returns:
IncStrategySignal: Entry signal if trend aligns, hold signal otherwise
"""
if not self.is_warmed_up:
return IncStrategySignal("HOLD", confidence=0.0)
# Check for meta-trend entry condition
if self._check_entry_condition():
self._signal_count["entry"] += 1
self._last_entry_signal = {
'timestamp': self._last_update_time,
'meta_trend': self.current_meta_trend,
'previous_meta_trend': self.previous_meta_trend,
'update_count': self._update_count
}
if self.enable_logging:
logger.info(f"ENTRY SIGNAL generated at {self._last_update_time} "
f"(signal #{self._signal_count['entry']})")
return IncStrategySignal("ENTRY", confidence=1.0, metadata={
"meta_trend": self.current_meta_trend,
"previous_meta_trend": self.previous_meta_trend,
"signal_count": self._signal_count["entry"]
})
return IncStrategySignal("HOLD", confidence=0.0)
def get_exit_signal(self) -> IncStrategySignal:
"""
Generate exit signal based on meta-trend reversal.
Exit occurs when meta-trend changes from != -1 to == -1, indicating
trend reversal to downward direction.
Returns:
IncStrategySignal: Exit signal if trend reverses, hold signal otherwise
"""
if not self.is_warmed_up:
return IncStrategySignal("HOLD", confidence=0.0)
# Check for meta-trend exit condition
if self._check_exit_condition():
self._signal_count["exit"] += 1
self._last_exit_signal = {
'timestamp': self._last_update_time,
'meta_trend': self.current_meta_trend,
'previous_meta_trend': self.previous_meta_trend,
'update_count': self._update_count
}
if self.enable_logging:
logger.info(f"EXIT SIGNAL generated at {self._last_update_time} "
f"(signal #{self._signal_count['exit']})")
return IncStrategySignal("EXIT", confidence=1.0, metadata={
"type": "META_TREND_EXIT",
"meta_trend": self.current_meta_trend,
"previous_meta_trend": self.previous_meta_trend,
"signal_count": self._signal_count["exit"]
})
return IncStrategySignal("HOLD", confidence=0.0)
def get_confidence(self) -> float:
"""
Get strategy confidence based on meta-trend strength.
Higher confidence when meta-trend is strongly directional,
lower confidence during neutral periods.
Returns:
float: Confidence level (0.0 to 1.0)
"""
if not self.is_warmed_up:
return 0.0
# High confidence for strong directional signals
if self.current_meta_trend == 1 or self.current_meta_trend == -1:
return 1.0
# Lower confidence for neutral trend
return 0.3
def _calculate_meta_trend(self, supertrend_results: Dict) -> int:
"""
Calculate meta-trend from SupertrendCollection results.
Meta-trend logic (matching original DefaultStrategy):
- All 3 Supertrends must agree for directional signal
- If all trends are the same, meta-trend = that trend
- If trends disagree, meta-trend = 0 (neutral)
Args:
supertrend_results: Results from SupertrendCollection.update()
Returns:
int: Meta-trend value (1, -1, or 0)
"""
trends = supertrend_results['trends']
# Check if all trends agree
if all(trend == trends[0] for trend in trends):
return trends[0] # All agree: return the common trend
else:
return 0 # Neutral when trends disagree
def _check_entry_condition(self) -> bool:
"""
Check if meta-trend entry condition is met.
Entry condition: meta-trend changes from != 1 to == 1
Returns:
bool: True if entry condition is met
"""
return (self.previous_meta_trend != 1 and
self.current_meta_trend == 1)
def _check_exit_condition(self) -> bool:
"""
Check if meta-trend exit condition is met.
Exit condition: meta-trend changes from != 1 to == -1
(Modified to match original strategy behavior)
Returns:
bool: True if exit condition is met
"""
return (self.previous_meta_trend != 1 and
self.current_meta_trend == -1)
def get_current_state_summary(self) -> Dict[str, Any]:
"""
Get detailed state summary for debugging and monitoring.
Returns:
Dict with current strategy state information
"""
base_summary = super().get_current_state_summary()
# Add MetaTrend-specific state
base_summary.update({
'primary_timeframe': self.primary_timeframe,
'current_meta_trend': self.current_meta_trend,
'previous_meta_trend': self.previous_meta_trend,
'supertrend_collection_warmed_up': self.supertrend_collection.is_warmed_up(),
'supertrend_configs': self.supertrend_configs,
'signal_counts': self._signal_count.copy(),
'update_count': self._update_count,
'last_update_time': str(self._last_update_time) if self._last_update_time else None,
'meta_trend_history_length': len(self._meta_trend_history),
'last_entry_signal': self._last_entry_signal,
'last_exit_signal': self._last_exit_signal
})
# Add Supertrend collection state
if hasattr(self.supertrend_collection, 'get_state_summary'):
base_summary['supertrend_collection_state'] = self.supertrend_collection.get_state_summary()
return base_summary
def reset_calculation_state(self) -> None:
"""Reset internal calculation state for reinitialization."""
super().reset_calculation_state()
# Reset Supertrend collection
self.supertrend_collection.reset()
# Reset meta-trend state
self.current_meta_trend = 0
self.previous_meta_trend = 0
self._meta_trend_history.clear()
# Reset signal state
self._last_entry_signal = None
self._last_exit_signal = None
self._signal_count = {"entry": 0, "exit": 0}
# Reset performance tracking
self._update_count = 0
self._last_update_time = None
logger.info("IncMetaTrendStrategy state reset")
def get_meta_trend_history(self, limit: Optional[int] = None) -> List[Dict]:
"""
Get meta-trend history for analysis.
Args:
limit: Maximum number of recent entries to return
Returns:
List of meta-trend history entries
"""
if limit is None:
return self._meta_trend_history.copy()
else:
return self._meta_trend_history[-limit:] if limit > 0 else []
def get_current_meta_trend(self) -> int:
"""
Get current meta-trend value.
Returns:
int: Current meta-trend (1, -1, or 0)
"""
return self.current_meta_trend
def get_individual_supertrend_states(self) -> List[Dict]:
"""
Get current state of individual Supertrend indicators.
Returns:
List of Supertrend state summaries
"""
if hasattr(self.supertrend_collection, 'get_state_summary'):
collection_state = self.supertrend_collection.get_state_summary()
return collection_state.get('supertrends', [])
return []
# Compatibility alias for easier imports
MetaTrendStrategy = IncMetaTrendStrategy

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@@ -1,329 +0,0 @@
"""
Incremental Random Strategy for Testing
This strategy generates random entry and exit signals for testing the incremental strategy system.
It's useful for verifying that the incremental strategy framework is working correctly.
"""
import random
import logging
import time
from typing import Dict, Optional
import pandas as pd
from .base import IncStrategyBase, IncStrategySignal
logger = logging.getLogger(__name__)
class IncRandomStrategy(IncStrategyBase):
"""
Incremental random signal generator strategy for testing.
This strategy generates random entry and exit signals with configurable
probability and confidence levels. It's designed to test the incremental
strategy framework and signal processing system.
The incremental version maintains minimal state and processes each new
data point independently, making it ideal for testing real-time performance.
Parameters:
entry_probability: Probability of generating an entry signal (0.0-1.0)
exit_probability: Probability of generating an exit signal (0.0-1.0)
min_confidence: Minimum confidence level for signals
max_confidence: Maximum confidence level for signals
timeframe: Timeframe to operate on (default: "1min")
signal_frequency: How often to generate signals (every N bars)
random_seed: Optional seed for reproducible random signals
Example:
strategy = IncRandomStrategy(
weight=1.0,
params={
"entry_probability": 0.1,
"exit_probability": 0.15,
"min_confidence": 0.7,
"max_confidence": 0.9,
"signal_frequency": 5,
"random_seed": 42 # For reproducible testing
}
)
"""
def __init__(self, weight: float = 1.0, params: Optional[Dict] = None):
"""Initialize the incremental random strategy."""
super().__init__("inc_random", weight, params)
# Strategy parameters with defaults
self.entry_probability = self.params.get("entry_probability", 0.05) # 5% chance per bar
self.exit_probability = self.params.get("exit_probability", 0.1) # 10% chance per bar
self.min_confidence = self.params.get("min_confidence", 0.6)
self.max_confidence = self.params.get("max_confidence", 0.9)
self.timeframe = self.params.get("timeframe", "1min")
self.signal_frequency = self.params.get("signal_frequency", 1) # Every bar
# Create separate random instance for this strategy
self._random = random.Random()
random_seed = self.params.get("random_seed")
if random_seed is not None:
self._random.seed(random_seed)
logger.info(f"IncRandomStrategy: Set random seed to {random_seed}")
# Internal state (minimal for random strategy)
self._bar_count = 0
self._last_signal_bar = -1
self._current_price = None
self._last_timestamp = None
logger.info(f"IncRandomStrategy initialized with entry_prob={self.entry_probability}, "
f"exit_prob={self.exit_probability}, timeframe={self.timeframe}, "
f"aggregation_enabled={self._timeframe_aggregator is not None}")
def get_minimum_buffer_size(self) -> Dict[str, int]:
"""
Return minimum data points needed for each timeframe.
Random strategy doesn't need any historical data for calculations,
so we only need 1 data point to start generating signals.
With the new base class timeframe aggregation, we only specify
our primary timeframe.
Returns:
Dict[str, int]: Minimal buffer requirements
"""
return {self.timeframe: 1} # Only need current data point
def supports_incremental_calculation(self) -> bool:
"""
Whether strategy supports incremental calculation.
Random strategy is ideal for incremental mode since it doesn't
depend on historical calculations.
Returns:
bool: Always True for random strategy
"""
return True
def calculate_on_data(self, new_data_point: Dict[str, float], timestamp: pd.Timestamp) -> None:
"""
Process a single new data point incrementally.
For random strategy, we just update our internal state with the
current price. The base class now handles timeframe aggregation
automatically, so we only receive data when a complete timeframe
bar is formed.
Args:
new_data_point: OHLCV data point {open, high, low, close, volume}
timestamp: Timestamp of the data point
"""
start_time = time.perf_counter()
try:
# Update internal state - base class handles timeframe aggregation
self._current_price = new_data_point['close']
self._last_timestamp = timestamp
self._data_points_received += 1
# Increment bar count for each processed timeframe bar
self._bar_count += 1
# Debug logging every 10 bars
if self._bar_count % 10 == 0:
logger.debug(f"IncRandomStrategy: Processing bar {self._bar_count}, "
f"price=${self._current_price:.2f}, timestamp={timestamp}")
# Update warm-up status
if not self._is_warmed_up and self._data_points_received >= 1:
self._is_warmed_up = True
self._calculation_mode = "incremental"
logger.info(f"IncRandomStrategy: Warmed up after {self._data_points_received} data points")
# Record performance metrics
update_time = time.perf_counter() - start_time
self._performance_metrics['update_times'].append(update_time)
except Exception as e:
logger.error(f"IncRandomStrategy: Error in calculate_on_data: {e}")
self._performance_metrics['state_validation_failures'] += 1
raise
def get_entry_signal(self) -> IncStrategySignal:
"""
Generate random entry signals based on current state.
Returns:
IncStrategySignal: Entry signal with confidence level
"""
if not self._is_warmed_up:
return IncStrategySignal("HOLD", 0.0)
start_time = time.perf_counter()
try:
# Check if we should generate a signal based on frequency
if (self._bar_count - self._last_signal_bar) < self.signal_frequency:
return IncStrategySignal("HOLD", 0.0)
# Generate random entry signal using strategy's random instance
random_value = self._random.random()
if random_value < self.entry_probability:
confidence = self._random.uniform(self.min_confidence, self.max_confidence)
self._last_signal_bar = self._bar_count
logger.info(f"IncRandomStrategy: Generated ENTRY signal at bar {self._bar_count}, "
f"price=${self._current_price:.2f}, confidence={confidence:.2f}, "
f"random_value={random_value:.3f}")
signal = IncStrategySignal(
"ENTRY",
confidence=confidence,
price=self._current_price,
metadata={
"strategy": "inc_random",
"bar_count": self._bar_count,
"timeframe": self.timeframe,
"random_value": random_value,
"timestamp": self._last_timestamp
}
)
# Record performance metrics
signal_time = time.perf_counter() - start_time
self._performance_metrics['signal_generation_times'].append(signal_time)
return signal
return IncStrategySignal("HOLD", 0.0)
except Exception as e:
logger.error(f"IncRandomStrategy: Error in get_entry_signal: {e}")
return IncStrategySignal("HOLD", 0.0)
def get_exit_signal(self) -> IncStrategySignal:
"""
Generate random exit signals based on current state.
Returns:
IncStrategySignal: Exit signal with confidence level
"""
if not self._is_warmed_up:
return IncStrategySignal("HOLD", 0.0)
start_time = time.perf_counter()
try:
# Generate random exit signal using strategy's random instance
random_value = self._random.random()
if random_value < self.exit_probability:
confidence = self._random.uniform(self.min_confidence, self.max_confidence)
# Randomly choose exit type
exit_types = ["SELL_SIGNAL", "TAKE_PROFIT", "STOP_LOSS"]
exit_type = self._random.choice(exit_types)
logger.info(f"IncRandomStrategy: Generated EXIT signal at bar {self._bar_count}, "
f"price=${self._current_price:.2f}, confidence={confidence:.2f}, "
f"type={exit_type}, random_value={random_value:.3f}")
signal = IncStrategySignal(
"EXIT",
confidence=confidence,
price=self._current_price,
metadata={
"type": exit_type,
"strategy": "inc_random",
"bar_count": self._bar_count,
"timeframe": self.timeframe,
"random_value": random_value,
"timestamp": self._last_timestamp
}
)
# Record performance metrics
signal_time = time.perf_counter() - start_time
self._performance_metrics['signal_generation_times'].append(signal_time)
return signal
return IncStrategySignal("HOLD", 0.0)
except Exception as e:
logger.error(f"IncRandomStrategy: Error in get_exit_signal: {e}")
return IncStrategySignal("HOLD", 0.0)
def get_confidence(self) -> float:
"""
Return random confidence level for current market state.
Returns:
float: Random confidence level between min and max confidence
"""
if not self._is_warmed_up:
return 0.0
return self._random.uniform(self.min_confidence, self.max_confidence)
def reset_calculation_state(self) -> None:
"""Reset internal calculation state for reinitialization."""
super().reset_calculation_state()
# Reset random strategy specific state
self._bar_count = 0
self._last_signal_bar = -1
self._current_price = None
self._last_timestamp = None
# Reset random state if seed was provided
random_seed = self.params.get("random_seed")
if random_seed is not None:
self._random.seed(random_seed)
logger.info("IncRandomStrategy: Calculation state reset")
def _reinitialize_from_buffers(self) -> None:
"""
Reinitialize indicators from available buffer data.
For random strategy, we just need to restore the current price
from the latest data point in the buffer.
"""
try:
# Get the latest data point from 1min buffer
buffer_1min = self._timeframe_buffers.get("1min")
if buffer_1min and len(buffer_1min) > 0:
latest_data = buffer_1min[-1]
self._current_price = latest_data['close']
self._last_timestamp = latest_data.get('timestamp')
self._bar_count = len(buffer_1min)
logger.info(f"IncRandomStrategy: Reinitialized from buffer with {self._bar_count} bars")
else:
logger.warning("IncRandomStrategy: No buffer data available for reinitialization")
except Exception as e:
logger.error(f"IncRandomStrategy: Error reinitializing from buffers: {e}")
raise
def get_current_state_summary(self) -> Dict[str, any]:
"""Get summary of current calculation state for debugging."""
base_summary = super().get_current_state_summary()
base_summary.update({
'entry_probability': self.entry_probability,
'exit_probability': self.exit_probability,
'bar_count': self._bar_count,
'last_signal_bar': self._last_signal_bar,
'current_price': self._current_price,
'last_timestamp': self._last_timestamp,
'signal_frequency': self.signal_frequency,
'timeframe': self.timeframe
})
return base_summary
def __repr__(self) -> str:
"""String representation of the strategy."""
return (f"IncRandomStrategy(entry_prob={self.entry_probability}, "
f"exit_prob={self.exit_probability}, timeframe={self.timeframe}, "
f"mode={self._calculation_mode}, warmed_up={self._is_warmed_up}, "
f"bars={self._bar_count})")