【金融工程】止盈意愿上升，风格切换或将持续——市场环境因子跟踪周报（2025.10.23）

Group 1 - The article emphasizes the potential for a market style shift in the fourth quarter, suggesting a reduction in positions within the technology growth sector and a shift towards broader indices and low-volatility dividend stocks [2][6] - The macro strategy team indicates that external short-term disturbances are expected to be less significant than in April, with positive signals anticipated from the 20th Central Committee's Fourth Plenary Session and the "15th Five-Year Plan" [2][6] - The report notes an increase in market volatility and a tendency for profit-taking and portfolio adjustments following the release of favorable signals in October [2][6] Group 2 - In the equity market, the style has shifted towards large-cap stocks, with a preference for value over growth, while the volatility of large-cap stocks has increased [8][9] - The report highlights a decrease in the proportion of stocks rising within the market, alongside a decline in the concentration of trading among the top 100 stocks [8][9] - Market activity has shown increased volatility, with a mixed performance in turnover rates across different sectors [8][9] Group 3 - In the commodity market, trends for precious metals, energy, non-ferrous metals, and agricultural products have strengthened, while the black metal sector has weakened [14][15] - The report indicates an increase in liquidity for precious metals, contrasting with a decline in liquidity for other sectors [14][15] Group 4 - The options market experienced heightened implied volatility due to unexpected tariff announcements, leading to a temporary spike in fear among investors [19] - The report notes that the indicators for the small-cap/growth style have not shown signs of improvement, despite previous strength [19] Group 5 - The convertible bond market adjusted in line with the stock market, maintaining stable conversion premiums, which suggests a good defensive characteristic compared to the stock market [22] - The report mentions a decline in pure bond premiums and a significant drop in market transaction volumes post-holiday [22]