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股票量化多头策略遇挫 8月超额收益回撤显著
Zheng Quan Shi Bao·2025-09-07 18:30

Group 1 - The core viewpoint is that stock quantitative long strategies have recently faced significant challenges, leading to a notable decline in excess returns, with many funds underperforming the index [1][2] - As of August 31, 2025, the average excess return for 696 stock quantitative long products was -2.28%, with only 20.83% of products achieving positive excess returns [1] - Weekly performance from August shows a consistent decline in excess returns, with averages of -1.06%, -0.61%, and -1.99% over three weeks, indicating a worsening trend [1] Group 2 - A large quantitative private equity firm in Shanghai noted that the A-share market has seen increased trading volume, but structural market conditions have led to many stocks declining despite index gains [2] - The primary reasons for the excess return decline in quantitative products are identified as style reversals, particularly between large-cap and small-cap stocks, and significant sector differentiation due to rapid growth in financing [2] - The firm believes that the current excess return decline is likely a temporary phenomenon, with expectations of a return to normal market conditions and recovery of excess returns in the near future [2]