Mixed-Frequency Deep Learning for Cross-Sectional Stock Prediction
A mixed-frequency model combining CNN-LSTM price-volume features with MLP-encoded fundamentals via self-attention, trained with a pairwise ranking objective on CSI 300 stocks.
- +25% peak validation RankIC (0.0268 → 0.0335) from adding fundamentals to a price-only baseline
- Top-10 portfolio backtest: 69.3% annualized, Sharpe 3.28, +43.1% annualized excess vs CSI 300 (simulation)
面向横截面股票预测的混频深度学习模型
将 CNN-LSTM 量价特征与 MLP 编码的财务基本面通过自注意力融合, 并以成对排序损失训练,用于沪深 300 股票的横截面排序预测。
- 引入财务信息使验证集峰值 RankIC 提升 25%(0.0268 → 0.0335)
- Top-10 组合回测:年化 69.3%、夏普 3.28,较沪深 300 年化超额 +43.1%(模拟)