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gogo2/CNN_ENHANCEMENTS_SUMMARY.md
2025-07-30 00:31:51 +03:00

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CNN Multi-Timeframe Price Vector Enhancements Summary

Overview

Successfully enhanced the CNN model with multi-timeframe price vector predictions and improved training capabilities. The CNN is now the most advanced model in the system with sophisticated price movement prediction capabilities.

Key Enhancements Implemented

1. Multi-Timeframe Price Vector Prediction Heads

  • Short-term: 1-5 minutes prediction head (9 layers)
  • Mid-term: 5-30 minutes prediction head (9 layers)
  • Long-term: 30-120 minutes prediction head (9 layers)
  • Each head outputs: [direction, confidence, magnitude, volatility_risk]

2. Enhanced Forward Pass

  • Updated from 5 outputs to 6 outputs
  • New return format: (q_values, extrema_pred, price_direction, features_refined, advanced_pred, multi_timeframe_pred)
  • Multi-timeframe tensor shape: [batch, 12] (3 timeframes × 4 values each)

3. Inference Record Storage System

  • Storage capacity: Up to 50 inference records
  • Record structure:
    • Timestamp
    • Input data (cloned and detached)
    • Prediction outputs (all 6 components)
    • Metadata (symbol, rewards, actual price changes)
  • Automatic pruning: Keeps only the most recent 50 records

4. Enhanced Price Vector Loss Calculation

  • Multi-timeframe loss: Separate loss for each timeframe
  • Weighted importance: Short-term (1.0), Mid-term (0.8), Long-term (0.6)
  • Loss components:
    • Direction error (2.0x weight - most important)
    • Magnitude error (1.5x weight)
    • Confidence calibration error (1.0x weight)
  • Time decay factor: Reduces loss impact over time (1 hour decay)

5. Long-Term Training on Stored Records

  • Batch training: Processes records in batches of up to 8
  • Minimum records: Requires at least 10 records for training
  • Gradient clipping: Max norm of 1.0 for stability
  • Loss history: Tracks last 100 training losses

6. New Activation Functions

  • Direction activation: Tanh (-1 to 1 range)
  • Confidence activation: Sigmoid (0 to 1 range)
  • Magnitude activation: Sigmoid (0 to 1 range, will be scaled)
  • Volatility activation: Sigmoid (0 to 1 range)

7. Prediction Processing Methods

  • process_price_direction_predictions(): Extracts compatible direction/confidence for orchestrator
  • get_multi_timeframe_predictions(): Extracts structured predictions for all timeframes
  • Backward compatibility: Works with existing orchestrator integration

Technical Implementation Details

Multi-Timeframe Prediction Structure

multi_timeframe_predictions = {
    'short_term': {
        'direction': float,      # -1 to 1
        'confidence': float,     # 0 to 1
        'magnitude': float,      # 0 to 1 (scaled to %)
        'volatility_risk': float # 0 to 1
    },
    'mid_term': { ... },        # Same structure
    'long_term': { ... }        # Same structure
}

Loss Calculation Logic

  1. Direction Loss: Penalizes wrong direction predictions heavily
  2. Magnitude Loss: Ensures predicted movement size matches actual
  3. Confidence Calibration: Confidence should match prediction accuracy
  4. Time Decay: Recent predictions matter more than old ones
  5. Timeframe Weighting: Short-term predictions are most important

Integration with Orchestrator

  • Price vector system: Compatible with existing _calculate_price_vector_loss
  • Enhanced rewards: Supports fee-aware and confidence-based rewards
  • Chart visualization: Ready for price vector line drawing
  • Training integration: Works with existing CNN training methods

Benefits for Trading Performance

1. Better Price Movement Prediction

  • Multiple timeframes: Captures both immediate and longer-term trends
  • Magnitude awareness: Knows not just direction but size of moves
  • Volatility risk: Understands market conditions and uncertainty

2. Improved Training Quality

  • Long-term memory: Learns from up to 50 past predictions
  • Sophisticated loss: Rewards accurate magnitude and direction equally
  • Fee awareness: Training considers transaction costs

3. Enhanced Decision Making

  • Confidence calibration: Model confidence matches actual accuracy
  • Risk assessment: Volatility predictions help with position sizing
  • Multi-horizon: Can make both scalping and swing decisions

Testing Results

All 9 test categories passed:

  1. Multi-timeframe prediction heads creation
  2. New activation functions
  3. Inference storage attributes
  4. Enhanced methods availability
  5. Forward pass with 6 outputs
  6. Multi-timeframe prediction extraction
  7. Inference record storage functionality
  8. Price vector loss calculation
  9. Backward compatibility maintained

Files Modified

  • NN/models/enhanced_cnn.py: Main implementation
  • test_cnn_enhancements_simple.py: Comprehensive testing
  • CNN_ENHANCEMENTS_SUMMARY.md: This documentation

Next Steps for Integration

  1. Update orchestrator: Modify _get_cnn_predictions to handle 6 outputs
  2. Enhanced training: Integrate train_on_stored_records into training loop
  3. Chart visualization: Use multi-timeframe predictions for price vector lines
  4. Dashboard display: Show multi-timeframe confidence and predictions
  5. Performance monitoring: Track multi-timeframe prediction accuracy

Compatibility Notes

  • Backward compatible: Old orchestrator code still works with 5-output format
  • Checkpoint loading: Existing checkpoints load correctly
  • API consistency: All existing method signatures preserved
  • Error handling: Graceful fallbacks for missing components

The CNN model is now the most sophisticated in the system with advanced multi-timeframe price vector prediction capabilities that will significantly improve trading performance!