市场降温整固，成长优势延续——市场环境因子跟踪周报（2026.01.16）

Market Overview - A-shares experienced a pullback after reaching highs, with market guidance leading to a rational return and short-term adjustments in themes [1][4] - In the medium to long term, market consolidation is expected to benefit a slow bull market, with high-growth sectors presenting investment value [1][4] - Short-term volatility may occur, but it is recommended to focus on sectors with upward momentum after the weight pressure diminishes [1][4] Equity Market Factors - The market style remains biased towards small-cap stocks, while the growth style continues to favor growth stocks [6][8] - Both small-cap and growth style volatilities have risen to near one-year highs, with increased volatility in the return differences between styles [6][8] - The excess return dispersion among industries has rebounded, while the speed of industry rotation continues to decline [6][8] Trading Activity - The proportion of rising stocks in the 300 and 500 indices has significantly decreased [6] - The trading concentration remains stable, with the top 100 stocks' trading volume holding steady and the top five industries' trading volume share slightly increasing [6][7] Market Liquidity - Market volatility, except for the 1000 index, has generally decreased, while the turnover rate is on an upward trend [7][8] Commodity Market Factors - In the commodity market, the energy and precious metals sectors have seen an increase in trend strength, while other sectors have experienced a decline [21][22] - The basis momentum for precious metals and agricultural products has risen, while other sectors have shown a downward trend [21][22] - Volatility in precious metals and non-ferrous metals remains high, while the volatility in black and energy sectors has slightly decreased [21][22] Options Market Factors - The implied volatility of the Shanghai Composite and CSI 1000 has started to decline from its peak, indicating a cooling market sentiment [28] - The skewness of call options has decreased while that of put options has increased, suggesting a reduction in market exuberance [28] Convertible Bond Market Factors - The convertible bond market has experienced wide fluctuations, with the premium rate for bonds at 100 yuan halting its upward trend and showing a slight adjustment [29] - The proportion of low premium convertible bonds has increased, while market transaction volumes remain high [29]