Quantitative Models and Factor Analysis Quantitative Models and Construction - **Model Name**: Multi-factor Stock Selection Model **Construction Idea**: The model selects effective factors from a factor library to construct weekly enhanced index strategies for different stock pools (CSI 300, CSI 500, CSI 1000, CSI 2000) [68] **Construction Process**: 1. **Factor Selection**: Hundreds of factors from the equity factor library are screened for effectiveness in the respective stock pools [68] 2. **Portfolio Optimization**: - For CSI 300: Strictly neutralize market capitalization and industry, set individual stock weight limits at 8% and deviation limits at 3% [68] - For CSI 500: Strictly neutralize market capitalization and industry, set individual stock weight limits and deviation limits at 1% [68] - For CSI 1000: Control market capitalization deviation to 0.5 standard deviations, industry deviation to 2.5%, and set individual stock weight limits and deviation limits at 1% [68] - For CSI 2000: Control market capitalization deviation to 0.5 standard deviations, industry deviation to 2.5%, and set individual stock weight limits and deviation limits at 0.5% [68] 3. **Weekly Tracking**: The performance of the enhanced index strategies is tracked weekly [68] Model Backtesting Results - **CSI 300 Enhanced Strategy**: - Weekly return: 0.63%, excess return: 0.71% [69] - Monthly return: 2.02%, excess return: 0.82% [69] - Annual return: 24.02%, excess return: 7.6%, maximum drawdown: -3.15% [69] - **CSI 500 Enhanced Strategy**: - Weekly return: 1%, excess return: -0.02% [69] - Monthly return: 2.55%, excess return: 0.58% [69] - Annual return: 26.41%, excess return: 1.19%, maximum drawdown: -4.76% [69] - **CSI 1000 Enhanced Strategy**: - Weekly return: -0.64%, excess return: -1.03% [73] - Monthly return: 0.92%, excess return: 0.42% [73] - Annual return: 36.94%, excess return: 13.22%, maximum drawdown: -5.59% [73] - **CSI 2000 Enhanced Strategy**: - Weekly return: -0.62%, excess return: -0.67% [73] - Monthly return: -0.25%, excess return: -0.58% [73] - Annual return: 59.24%, excess return: 27.14%, maximum drawdown: -5.23% [73] --- Quantitative Factors and Construction - **Factor Name**: Standardized Unexpected Price-to-Book Ratio **Construction Idea**: Measures the deviation of the price-to-book ratio from expectations, reflecting valuation anomalies [34] **Construction Process**: 1. Calculate the raw factor value for each stock [34] 2. Apply absolute median method for outlier removal [34] 3. Perform Z-Score standardization [34] 4. Neutralize the factor by regressing against logarithmic market capitalization and industry dummy variables, using the residuals as the final factor values [34] - **Factor Name**: Analyst Forecast Net Profit FY1 120-day Change **Construction Idea**: Tracks changes in analysts' net profit forecasts over the past 120 days, reflecting market sentiment and expectations [35] **Construction Process**: 1. Collect analysts' net profit forecasts for FY1 over the past 120 days [35] 2. Calculate the percentage change in forecasts over the period [35] - **Factor Name**: Analyst Forecast Revenue Growth Rate FY3 **Construction Idea**: Measures analysts' expectations for revenue growth in FY3, capturing long-term growth potential [37] **Construction Process**: 1. Aggregate analysts' revenue growth forecasts for FY3 [37] 2. Standardize the data and calculate the growth rate [37] Factor Backtesting Results - **CSI 300 Stock Pool**: - Best weekly factors: Standardized Unexpected Price-to-Book Ratio (1.97%), Analyst Forecast Net Profit FY1 120-day Change (1.67%), Past 90-day Report Upgrade Ratio (1.39%) [35] - Best annual factors: Single-quarter ROE (25.63%), Single-quarter Revenue YoY Growth Rate (25.1%), Single-quarter ROA Change (22.51%) [35] - **CSI 500 Stock Pool**: - Best weekly factors: Net Operating Asset Return (1.5%), Past 90-day Post-announcement Report Upgrade Ratio (1.16%), Analyst Forecast Net Profit FY3 120-day Change (1.11%) [36] - Best annual factors: Analyst Forecast Net Profit Growth Rate FY3 (15.13%), Analyst Forecast Revenue FY3 120-day Change (14.74%), Analyst Forecast Revenue Growth Rate FY3 (14.74%) [36] - **CSI 1000 Stock Pool**: - Best weekly factors: Analyst Forecast Revenue Growth Rate FY3 (1.82%), Analyst Forecast Revenue FY3 120-day Change (1.76%), 90-day Earnings Upgrade Ratio (1.7%) [37] - Best annual factors: Analyst Forecast ROE FY3 120-day Change (21.77%), Standardized Unexpected Single-quarter ROE with Drift (20.54%), Standardized Unexpected Single-quarter Net Profit with Drift (20.32%) [37] - **CSI 2000 Stock Pool**: - Best weekly factors: Analyst Forecast Revenue Growth Rate FY3 (2.24%), Analyst Forecast Net Profit Growth Rate FY3 (2.15%), Post-morning 30-minute Price Change (1.92%) [38] - Best annual factors: Standardized Unexpected Single-quarter Excluding Non-recurring Net Profit with Drift (25.17%), Past 90-day Report Upgrade Ratio (24.28%), 5-minute Volume Skewness (23.98%) [38] - **CSI All-share Stock Pool**: - Best weekly factors: Analyst Forecast ROE FY3 120-day Change (2.5%), Analyst Forecast ROA FY3 (2.36%), Analyst ROE FY3 (2.27%) [39] - Best annual factors: Analyst Forecast ROE FY3 120-day Change (27.33%), Single-quarter Revenue YoY Growth Rate (21.77%), Analyst Forecast ROA FY3 120-day Change (21.27%) [39] --- Large Factor Categories and Performance - **CSI 300 Stock Pool**: - Best weekly categories: Analyst Surprise (1.57%), Profitability (1.45%), Growth (1.22%) [45][46] - Best annual categories: Profitability (31.35%), Analyst Surprise (27.31%), Growth (26.87%) [45][46] - **CSI 500 Stock Pool**: - Best weekly categories: Profitability (1.6%), Growth (0.39%), Analyst (0.01%) [52][53] - Best annual categories: Growth (16.53%), Analyst (9.54%), Analyst Surprise (7.35%) [52][53] - **CSI 1000 Stock Pool**: - Best weekly categories: Profitability (0.05%), Growth (0.03%), Analyst (-0.06%) [54][57] - Best annual categories: Growth (17.31%), Analyst Surprise (11.02%), Analyst (10.98%) [54][57] - **CSI 2000 Stock Pool**: - Best weekly categories: Analyst (0.46%), Profitability (-0.58%), Growth (-0.61%) [60][62] - Best annual categories: Market Capitalization (23.11%), Analyst Surprise (20.67%), Growth (20.33%) [60][62] - **CSI All-share Stock Pool**: - Best weekly categories: Analyst (0.32%), Analyst Surprise (0.19%), Profitability (-0.14%) [63][65] - Best annual categories: Market Capitalization (42.55%), Growth (24.85%), Analyst Surprise (22.12%) [63][65]

Group 1 - The report indicates that the performance of major public index enhancement funds has been tracked weekly, focusing on the returns of the funds against their respective benchmarks, including CSI 300, CSI 500, CSI 1000, and National Index 2000 [7][8]. - As of September 12, 2025, the CSI 300 enhancement funds have 53 products with a total scale of 77.3 billion, while the CSI 500 enhancement funds have 66 products with a scale of 43.7 billion [8][9]. - The report highlights that the CSI 2000 enhancement strategy has achieved a year-to-date excess return of 21.18%, indicating strong performance compared to its benchmark [1][4]. Group 2 - The report details the top-performing CSI 300 enhancement funds for the year, with the top five funds achieving returns of 28.33%, 27.65%, 23.15%, 22.67%, and 21.93%, respectively, with corresponding excess returns of 13.41%, 12.73%, 8.23%, 7.75%, and 7.01% [9][11]. - For the CSI 500 enhancement funds, the top five funds have returns of 35.46%, 35.31%, 35.02%, 34.39%, and 32.41%, with excess returns of 10.62%, 10.47%, 10.19%, 9.56%, and 7.58% [15][19]. - The CSI 1000 enhancement funds show similar strong performance, with the top five funds achieving returns of 40.4%, 39.68%, 39.21%, 38.57%, and 38.44%, with excess returns of 15.81%, 15.08%, 14.62%, 13.98%, and 13.85% [21][25]. Group 3 - The report emphasizes the performance of the National Index 2000 enhancement funds, with the top five funds achieving returns of 45.03%, 44.3%, 43.56%, 37.72%, and 35.56%, with excess returns of 16.01%, 15.28%, 14.54%, 8.7%, and 6.54% [29][30]. - The report also tracks the performance of various factors used in quantitative stock selection models, highlighting the effectiveness of different factors across various stock pools [34][37]. - The report provides insights into the excess returns of single factors, indicating that certain factors have performed better over different time frames, which can guide investment strategies [38][39].

Group 1 - The report indicates that the small-cap style outperformed last week, with the CSI 2000 index enhancement strategy achieving an excess return of 18.92% year-to-date [1] - The report tracks the performance of public index enhancement funds for major indices, including CSI 300, CSI 500, CSI 1000, and CSI 2000, as of July 11, 2025 [8] - The top three public funds for the CSI 300 index enhancement this year are: Anxin Quantitative Selected CSI 300 Index Enhancement A (003957.OF) with an excess return of 8.86%, Changxin CSI 300 Index Enhancement A (005137.OF) with 5.91%, and Changcheng Jiutai CSI 300 A (200002.OF) with 5.33% [9] Group 2 - For the CSI 500 index enhancement, the top three funds this year are: Zhongou CSI 500 Index Enhancement A (015453.OF) with 9.15%, Penghua CSI 500 Index Enhancement A (014344.OF) with 7.72%, and Baodao CSI 500 Index Enhancement A (006593.OF) with 7.46% [16] - The CSI 1000 index enhancement funds show the best performers as: Guojin CSI 1000 Index Enhancement A (017846.OF) with 13.65%, ICBC Credit Suisse CSI 1000 Index Enhancement A (016942.OF) with 13.62%, and Huitianfu CSI 1000 Index Enhancement A (017953.OF) with 11.89% [22] - The top three funds for the CSI 2000 index enhancement this year are: Huitianfu CSI 2000 Index Enhancement A (019318.OF) with 14.1%, Penghua CSI 2000 Index Enhancement A (017892.OF) with 13.04%, and Tianhong CSI 2000 Index Enhancement A (017547.OF) with 10.94% [27] Group 3 - The report highlights that the excess returns of various factors within the CSI indices are tracked, with significant factors identified for each index [7] - For the CSI 300, the best-performing factors last week were market capitalization, high-frequency minute data, and valuation [34] - In the CSI 500, the top factors were high-frequency minute data, growth, and market capitalization [42]