国泰海通证券研究·2025-08-21 11:28Overview - The article presents a series of quantitative research and investment strategies conducted by Guotai Junan Securities, focusing on asset allocation, market timing, and stock selection methodologies [2]. Group 1: Asset Allocation - The quantitative team discusses the applications of quantitative methods in asset allocation, emphasizing the transition from classic to innovative models [2]. Group 2: Market Timing - Various models for market timing are introduced, including sentiment factors based on price limits and profit effects, as well as gold timing strategies [2]. Group 3: Stock Selection - The article outlines new paradigms for stock investment, including how to outperform the CSI 300 index under new public fund regulations and the importance of understanding the corporate lifecycle [2].