量化 因子模型: AI增强 选股 多因子 框架

Factor investing systematically harvests return premiums associated with value, momentum, quality, and other characteristics.

Factor Definition and Construction

Each factor is constructed from multiple underlying metrics.

Factor Timing

Academic research suggests factor returns are partially predictable.

Factor Interaction Effects

Stocks scoring well on multiple factors simultaneously (e.g., cheap AND improving momentum) tend to outperform.