这两周能扛住超额回撤的量化，有什么不一样的吗？

Core Viewpoint - The article discusses the recent performance of quantitative strategies in the investment market, highlighting a shift in market style and the impact on various quantitative strategies [5][6][11]. Group 1: Market Performance - The benchmark index for the CSI 500 had a weekly return of 3.87%, while the CSI 1000 had a return of 3.45% during the week of August 18-22 [4]. - The absolute returns of the CSI 300 and CSI 500 indices have improved significantly, while the previously leading quantitative stock selection strategies have fallen behind [10][11]. Group 2: Quantitative Strategy Analysis - The article notes a significant shift in market style, with funds moving from small-cap stocks to mid and large-cap stocks, which has affected the performance of quantitative models [11]. - The article emphasizes that the recent volatility in both excess and absolute returns indicates a challenging environment for quantitative strategies [10][11]. Group 3: Specific Quantitative Strategies - Strict risk-controlled quantitative index strategies have performed relatively well during the recent style switch due to their lower exposure to micro-cap stocks and a focus on fundamental support [16]. - Extreme volume-price driven quantitative stock selection strategies have shown high sensitivity to market changes, allowing for quicker adjustments in response to style shifts [19]. - Balanced factor quantitative stock selection strategies have demonstrated resilience against the recent market style changes, maintaining stability in returns [22][23]. Group 4: Broader Index Strategies - Full index strategies that track the CSI Full Index have shown balanced performance across large, mid, and small-cap stocks, providing a reliable option regardless of market style [26][31]. - The CSI Full Index has outperformed most mainstream indices recently, with a year-to-date return of 18.3%, indicating strong performance across various market conditions [30][31].