【金工】市场表现为动量效应，盈利因子表现良好——量化组合跟踪周报20260131（祁嫣然/张威）

Group 1 - The core viewpoint of the article highlights the performance of various market factors, indicating that momentum and profitability factors yielded positive returns, while beta and liquidity factors experienced negative returns [4] - In the CSI 300 stock pool, the best-performing factors included the price-to-earnings ratio (1.70%), net profit margin TTM (1.03%), and operating profit margin TTM (1.02%), while the worst-performing factors were the post-opening return factor (-3.58%), momentum spring factor (-3.50%), and 5-day reversal (-2.98%) [5] - The PB-ROE-50 combination in the CSI 500 stock pool achieved a positive excess return of 0.59%, while the CSI 800 stock pool had a negative excess return of -0.50%, and the overall market stock pool had a negative excess return of -2.81% [7] Group 2 - The institutional research strategies showed negative excess returns, with the public research stock selection strategy underperforming the CSI 800 by -4.21% and the private research tracking strategy underperforming by -1.85% [8] - The block trading combination achieved a positive excess return of 0.06% relative to the CSI All Share Index [9] - The targeted issuance combination also gained a positive excess return of 0.13% relative to the CSI All Share Index [10]