金融工程定期：港股量化：2025年以来南下累计净流入超6000亿港元，5月增配成长

• Model Name: Hong Kong Stock Selection 20 Portfolio; Model Construction Idea: The portfolio is constructed by selecting the top 20 stocks with the highest scores at the end of each month and equally weighting them; Detailed Construction Process: The model uses four types of factors (technical, capital, fundamental, and analyst expectations) to score Hong Kong Stock Connect constituent stocks. The top 20 stocks are selected based on these scores and equally weighted to form the portfolio. The benchmark is the Hong Kong Composite Index (HKD) (930930.CSI) [4][39]; Model Evaluation: The model has shown superior performance in the Hong Kong Stock Connect constituent stocks [4][37] - Factor Name: Technical Factor; Factor Construction Idea: The factor is constructed based on technical indicators; Detailed Construction Process: The specific technical indicators used and their calculation methods are not detailed in the report [4][37] - Factor Name: Capital Factor; Factor Construction Idea: The factor is constructed based on capital flow data; Detailed Construction Process: The specific capital flow data used and their calculation methods are not detailed in the report [4][37] - Factor Name: Fundamental Factor; Factor Construction Idea: The factor is constructed based on fundamental financial data; Detailed Construction Process: The specific fundamental financial data used and their calculation methods are not detailed in the report [4][37] - Factor Name: Analyst Expectations Factor; Factor Construction Idea: The factor is constructed based on analyst expectations; Detailed Construction Process: The specific analyst expectations data used and their calculation methods are not detailed in the report [4][37] Model Backtest Results - Hong Kong Stock Selection 20 Portfolio, Annualized Excess Return: 13.7%, Excess Return Volatility Ratio: 1.0 [4][40][41] Factor Backtest Results - Technical Factor, specific backtest results not detailed in the report - Capital Factor, specific backtest results not detailed in the report - Fundamental Factor, specific backtest results not detailed in the report - Analyst Expectations Factor, specific backtest results not detailed in the report