Unverified50% confidenceFactExact time
策略拥挤效应会导致因子预测能力衰减、夏普比率下降，甚至在市场压力时期出现因子崩溃
1
Sources
50%
Confidence
Long-term
Relevance
7/12/2026
First Seen
Sources
AI Coding Tool Data Leakage Risks: A Security Guide for Protecting Quantitative Strategies
bilibili国金证券宜宾营业部7/8/2026
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