- The report highlights the performance of the A-share market, with the CSI A50 leading the gains and the ChiNext Index showing strong performance[1][6] - The Dividend Enhanced Portfolio outperformed the CSI Dividend Total Return Index, with the Central SOE High Dividend 30 Portfolio and the Balanced Dividend 50 Portfolio achieving weekly excess returns of approximately 0.41% and 0.75%, respectively[6][21] - The Electronic Enhanced Portfolio also outperformed the Electronic Total Return Index, with the Electronic Balanced Allocation Enhanced Portfolio and the Electronic Sector Preferred Enhanced Portfolio achieving weekly excess returns of approximately 1.78% and 1.53%, respectively[6][29]

- The report introduces several active quantitative strategies launched by the Changjiang Quantitative Team since July 2023, including the Dividend Selection Strategy and the Industry High Winning Rate Strategy[6][13] - The "Dividend Quality" segment showed relatively active performance with a weekly average return of approximately 1.64%, indicating excess returns compared to pure dividend assets[6][16] - The "Central State-Owned Enterprises High Dividend 30 Portfolio" and the "Balanced Dividend 50 Portfolio" both outperformed the CSI Dividend Total Return Index this week, with excess returns of approximately 0.61% and 1.51%, respectively[6][22] - The "Balanced Dividend 50 Portfolio" achieved positive returns this week[6][22] - The "Electronic Balanced Allocation Enhanced Portfolio" and the "Electronic Sector Preferred Enhanced Portfolio" both achieved positive returns this week, although they did not outperform the electronic industry index[7][31] - The "Electronic Sector Preferred Enhanced Portfolio" had a weekly return of approximately 6.20%, outperforming the median of technology-themed fund products[7][31] Quantitative Models and Construction Methods 1. Model Name: Dividend Selection Strategy; Model Construction Idea: Focuses on selecting stocks with high dividend yields and quality; Model Construction Process: The strategy involves screening stocks based on dividend yield, payout ratio, and other fundamental factors to construct a portfolio that aims to provide stable and high returns; Model Evaluation: The strategy has shown to provide excess returns compared to pure dividend assets[6][13][16] 2. Model Name: Industry High Winning Rate Strategy; Model Construction Idea: Focuses on selecting stocks within high-performing industries; Model Construction Process: The strategy involves identifying industries with strong performance and selecting stocks within those industries based on various fundamental and technical factors; Model Evaluation: The strategy aims to provide alternative perspectives and investment choices for investors by tracking market hotspots and selecting individual stocks within high-performing industries[6][13] Model Backtesting Results 1. Dividend Selection Strategy, Excess Return: 1.64%[6][16] 2. Central State-Owned Enterprises High Dividend 30 Portfolio, Excess Return: 0.61%[6][22] 3. Balanced Dividend 50 Portfolio, Excess Return: 1.51%[6][22] 4. Electronic Sector Preferred Enhanced Portfolio, Weekly Return: 6.20%[7][31] Quantitative Factors and Construction Methods 1. Factor Name: Dividend Quality; Factor Construction Idea: Focuses on stocks with high dividend quality; Factor Construction Process: The factor involves screening stocks based on dividend yield, payout ratio, and other fundamental factors to identify stocks with high dividend quality; Factor Evaluation: The factor has shown to provide excess returns compared to pure dividend assets[6][16] 2. Factor Name: Industry Performance; Factor Construction Idea: Focuses on stocks within high-performing industries; Factor Construction Process: The factor involves identifying industries with strong performance and selecting stocks within those industries based on various fundamental and technical factors; Factor Evaluation: The factor aims to provide alternative perspectives and investment choices for investors by tracking market hotspots and selecting individual stocks within high-performing industries[6][13] Factor Backtesting Results 1. Dividend Quality Factor, Weekly Average Return: 1.64%[6][16] 2. Industry Performance Factor, Weekly Return: 6.20%[7][31]