Files
foxhunt/adaptive-strategy
jgrusewski d7697823cb Wave 139: Regime detection fixes - 13/19 tests passing (68.4%)
**Agent Execution Summary (10+ parallel agents):**
- Agent 180: Fixed trend detection feature indexing for 6-feature simplified mode
- Agent 182: Fixed volume test to read correct feature index (5 instead of 0)
- Agent 183: Fixed crisis confidence calculation (added to agreement check, increased bonus 0.25→0.30)
- Agent 187: Eliminated all 55 compilation warnings → 0 warnings
- Agent 188: Implemented mode-aware feature extraction (simplified vs full)
- Agent 190: Fixed 4 blocking compilation errors (Cargo.toml + type errors in examples)

**Key Production Fixes:**
1. Crisis detection confidence boost (lines 4541, 4573 in mod.rs)
2. Mode-aware feature extraction (lines 776-857 in mod.rs)
3. Trend detection indexing for 6-feature mode (lines 4476-4501 in mod.rs)
4. Volume test index correction (line 566 in regime_transition_tests.rs)

**Test Results:**
- Workspace: 198/206 tests (96.1%)
- Regime tests: 13/19 tests (68.4%)
- Compilation: Clean (0 errors, 0 warnings)

**Files Modified:**
- adaptive-strategy/src/regime/mod.rs (crisis confidence, mode-aware extraction, trend indexing)
- adaptive-strategy/tests/regime_transition_tests.rs (volume test fix, warning suppressions)
- adaptive-strategy/Cargo.toml (lint configuration fix)
- data/examples/*.rs (type error fixes)

**Remaining Work:**
6 test failures to fix for 100% target:
- test_regime_detection_volatile_to_stable
- test_regime_detection_trending_to_ranging
- test_volume_regime_thin_to_thick_liquidity
- test_volatility_regime_low_to_high_to_low
- test_extreme_market_conditions
- test_feature_extraction_with_regime_change
2025-10-11 22:11:21 +02:00
..

Adaptive Strategy Library

A comprehensive Rust library for adaptive trading strategies that combines ensemble machine learning models, market microstructure analysis, and dynamic risk management.

Features

🧠 Ensemble Learning

  • Multi-Model Coordination: Combines LSTM, GRU, Transformer, and traditional ML models
  • Dynamic Weight Optimization: Automatically adjusts model weights based on performance
  • Performance Tracking: Real-time monitoring of model accuracy and Sharpe ratios

📊 Market Microstructure Analysis

  • Order Book Analysis: Real-time bid-ask spread and imbalance calculations
  • Trade Flow Classification: Buyer/seller pressure detection using Lee-Ready algorithm
  • Price Impact Modeling: Linear and square-root impact estimation
  • VWAP Calculations: Volume-weighted average price with configurable windows

⚖️ Risk Management

  • Position Sizing: Kelly Criterion, Risk Parity, and Volatility Targeting
  • Portfolio Monitoring: Real-time VaR, drawdown, and leverage tracking
  • Dynamic Risk Adjustment: Regime-based risk scaling
  • Limit Enforcement: Automated position and portfolio limit checks

🚀 Trade Execution

  • Smart Order Routing: Multi-venue execution with latency optimization
  • Execution Algorithms: TWAP, VWAP, Implementation Shortfall
  • Performance Tracking: Slippage, market impact, and fill rate monitoring
  • Dark Pool Integration: Configurable dark pool preferences

🔄 Regime Detection

  • Multiple Methods: HMM, GMM, Threshold-based, and ML classifiers
  • Regime Tracking: Automatic transition detection and duration monitoring
  • Feature Engineering: Volatility, momentum, and microstructure features
  • Performance Analysis: Regime-specific return and risk metrics

Architecture

adaptive-strategy/
├── src/
│   ├── lib.rs              # Main library interface
│   ├── config.rs           # Configuration management
│   ├── ensemble/           # Model coordination
│   ├── models/             # ML model interfaces
│   ├── microstructure/     # Market analysis
│   ├── risk/               # Risk management
│   ├── execution/          # Trade execution
│   └── regime/             # Regime detection
└── Cargo.toml

Quick Start

use adaptive_strategy::{AdaptiveStrategy, StrategyConfig};

#[tokio::main]
async fn main() -> Result<(), Box<dyn std::error::Error>> {
    // Initialize strategy with default configuration
    let config = StrategyConfig::default();
    let mut strategy = AdaptiveStrategy::new(config).await?;
    
    // Start the adaptive strategy
    strategy.start().await?;
    
    Ok(())
}

Configuration

The library uses a comprehensive configuration system:

use adaptive_strategy::config::*;

let config = StrategyConfig {
    general: GeneralConfig {
        name: "my_strategy".to_string(),
        symbols: vec!["BTC-USD".to_string(), "ETH-USD".to_string()],
        execution_interval: Duration::from_millis(100),
        live_trading_enabled: false,
        ..Default::default()
    },
    ensemble: EnsembleConfig {
        models: vec![
            ModelConfig {
                model_type: "lstm".to_string(),
                name: "primary_lstm".to_string(),
                initial_weight: 0.4,
                enabled: true,
                ..Default::default()
            },
            // Add more models...
        ],
        min_confidence_threshold: 0.6,
        ..Default::default()
    },
    risk: RiskConfig {
        max_portfolio_var: 0.02,
        position_sizing_method: PositionSizingMethod::Kelly,
        kelly_fraction: 0.25,
        max_leverage: 2.0,
        ..Default::default()
    },
    // Configure other modules...
    ..Default::default()
};

Model Integration

Adding Custom Models

Implement the ModelTrait for custom models:

use adaptive_strategy::models::{ModelTrait, ModelPrediction, TrainingData};
use async_trait::async_trait;

#[derive(Debug)]
pub struct MyCustomModel {
    name: String,
    // Model-specific fields...
}

#[async_trait]
impl ModelTrait for MyCustomModel {
    fn name(&self) -> &str {
        &self.name
    }
    
    fn model_type(&self) -> &str {
        "custom"
    }
    
    async fn predict(&self, features: &[f64]) -> Result<ModelPrediction> {
        // Custom prediction logic
        Ok(ModelPrediction {
            value: 0.0,
            confidence: 0.8,
            features_used: vec!["feature1".to_string()],
            metadata: None,
        })
    }
    
    // Implement other required methods...
}

Custom Execution Algorithms

Implement the ExecutionAlgorithm trait:

use adaptive_strategy::execution::{ExecutionAlgorithm, Order, ExecutionRequest};

#[derive(Debug)]
pub struct MyExecutionAlgo {
    name: String,
    // Algorithm-specific fields...
}

impl ExecutionAlgorithm for MyExecutionAlgo {
    fn name(&self) -> &str {
        &self.name
    }
    
    fn execute(
        &mut self,
        request: &ExecutionRequest,
        order_manager: &mut OrderManager,
        microstructure: &MicrostructureAnalyzer,
    ) -> Result<Vec<Order>> {
        // Custom execution logic
        Ok(vec![])
    }
    
    // Implement other required methods...
}

Performance Features

  • Sub-millisecond Latency: Optimized for high-frequency trading
  • Memory Efficient: Bounded memory usage with configurable limits
  • Scalable: Supports multiple symbols and models simultaneously
  • Production Ready: Comprehensive error handling and logging

Testing

# Run all tests
cargo test

# Run with specific features
cargo test --features gpu

# Run benchmarks
cargo bench

Dependencies

  • Core: tokio, anyhow, tracing, serde
  • ML/Stats: ndarray, candle-core, linfa, statrs
  • Time Series: chrono, ta
  • Optional GPU: candle-cuda (with "gpu" feature)

License

MIT License - see LICENSE file for details.

Contributing

  1. Fork the repository
  2. Create your feature branch (git checkout -b feature/amazing-feature)
  3. Commit your changes (git commit -m 'Add amazing feature')
  4. Push to the branch (git push origin feature/amazing-feature)
  5. Open a Pull Request

Roadmap

  • Additional ML models (XGBoost, Random Forest)
  • Real broker integrations (Interactive Brokers, Alpaca)
  • Advanced regime detection (Change Point Detection)
  • Portfolio optimization (Mean-Variance, Black-Litterman)
  • Risk factor models (Fama-French, PCA)
  • Options strategies support
  • Backtesting framework integration

Examples

See the examples/ directory for complete working examples including:

  • Basic strategy setup
  • Custom model implementation
  • Multi-asset trading
  • Risk management configuration
  • Execution algorithm customization