Machine Learning Model
Adopts the CatBoost gradient boosting algorithm, with integrated feature dimensions including: technical indicators (MA, RSI, etc.), price patterns, fundamental data, market sentiment, capital flow, interest rate features, volatility models, market state, calendar effects, and network features.
Top 10 Feature Importance
- Volatility_30pct (30% quantile volatility)
- MA250_Slope (250-day moving average slope)
- Volatility_30d (30-day volatility)
- BB_Width_MA60 (Bollinger Band width 60-day average)
- net_cohesion_HSI_Regime_Duration (network cohesion × Hang Seng Index regime duration)
- Volatility_70pct (70% quantile volatility)
- Distance_Support_120d (distance to 120-day support level)
- net_cohesion_per_GARCH_Conditional_Vol (network cohesion × GARCH conditional volatility)
- Stock_Price_Stability_Score (stock price stability score)
- 60d_Trend_HSI_Return_60d (60-day trend × Hang Seng Index 60-day return)
Walk-forward Validation Results
Performance under conditions including 57 Hong Kong stocks and 12-fold cross-validation:
| Indicator |
Value |
Industry Standard |
Evaluation |
| Comprehensive Score |
90/100 |
- |
Excellent |
| Average Sharpe Ratio |
5.33 |
>0.5 |
Excellent |
| Average Max Drawdown |
-1.04% |
<-20% |
Excellent |
| Average Accuracy |
55.04% |
>50% |
Qualified |
| Average IC |
0.205 |
>0.05 |
Excellent |
| Average Rank IC |
0.231 |
>0.05 |
Excellent |
| Average Return |
+5.08% |
>0% |
Positive |