Group 1 - The issuance of equity funds remains strong in September, with a total of 124 new funds launched, of which 85 are equity funds, accounting for approximately 68% of the total [2] - Growth-style funds continue to dominate the new fund issuance, with several funds focusing on high-end manufacturing, artificial intelligence, and pharmaceuticals [2][4] - The market has seen a surge in investor enthusiasm, exemplified by the early closure of the招商均衡优选混合 fund on its first day of sale due to exceeding the 50 billion RMB subscription limit [5][6] Group 2 - Several new broad-based index funds have been launched in September, particularly those tracking the ChiNext and STAR Market, indicating a focus on more volatile market segments [3] - New floating fee rate funds have also been introduced, with a mix of industry-themed products aimed at meeting diverse investor needs [4] - The emergence of "daylight funds" in September reflects growing investor confidence in the equity market despite recent market fluctuations [5][6]

Quantitative Models and Construction Methods 1. Model Name: ChiNext Composite Index (399102.SZ) - **Model Construction Idea**: The ChiNext Composite Index is designed to comprehensively reflect the overall performance of the ChiNext market. It adopts a market capitalization-weighted methodology and includes all eligible listed companies on the ChiNext board[26][27]. - **Model Construction Process**: 1. **Sample Space**: The index includes all A-shares listed on the ChiNext board that meet the following criteria: - Non-ST or *ST stocks - Stocks with a China Securities Index (CSI) ESG rating above grade C[27][28]. 2. **Selection Method**: All stocks in the sample space are included as index constituents, achieving full coverage of the ChiNext market[27]. 3. **Index Calculation**: - The index uses the Paasche weighted method, with May 31, 2010, as the base date and 1,000 points as the base value. - Adjustments for stock splits, dividends, and other corporate actions are made to ensure index continuity[27]. 4. **Adjustment Rules**: - Newly listed stocks are included on the 11th trading day after listing. - Stocks under risk warning or with ESG ratings downgraded to C or below are removed on the second Friday of the following month. - Stocks entering the delisting process are removed immediately[28]. - **Model Evaluation**: The ChiNext Composite Index achieves broad market coverage while incorporating risk control mechanisms (e.g., ESG exclusions), enhancing its representativeness and long-term investment value[18][28]. --- Model Backtesting Results 1. ChiNext Composite Index - **Total Return**: - 2015 to present: 135.06% - 2025 YTD: 36.08%[41][42] - **Annualized Return**: - 2015 to present: 8.24% - 2025 YTD: 59.98%[41][42] - **Annualized Volatility**: - 2015 to present: 30.66% - 2025 YTD: 28.90%[41][42] - **Maximum Drawdown**: - 2015 to present: 67.38% - 2025 YTD: 21.98%[41][42] - **Sharpe Ratio (IR)**: - 2015 to present: 0.27 - 2025 YTD: 2.08[41][42] --- Quantitative Factors and Construction Methods 1. Factor Name: ESG Exclusion Mechanism - **Factor Construction Idea**: The ESG exclusion mechanism aims to enhance the quality and sustainability of the index by removing stocks with poor ESG performance[18][28]. - **Factor Construction Process**: - Stocks with a CSI ESG rating of C or below are excluded from the index. - If a stock's ESG rating improves to above C, it is re-included in the index on the second Friday of the following month[28]. - **Factor Evaluation**: This mechanism reduces tail risks and aligns the index with long-term investment trends, improving its overall quality and attractiveness to institutional investors[18][28]. --- Factor Backtesting Results 1. ESG Exclusion Mechanism - **Impact on Index Performance**: - The mechanism effectively mitigates risks associated with low-quality stocks, contributing to the index's superior risk-adjusted returns (Sharpe ratio of 2.08 in 2025 YTD)[41][42]. - **Impact on Representativeness**: - Despite exclusions, the index maintains comprehensive market coverage, with 1,340 constituent stocks as of August 2025[26][27].

Group 1 - The core viewpoint of the report indicates that the ChiNext Composite Index has outperformed the ChiNext Index, All A, and CSI 300 in terms of risk-return ratio, with an annualized return of 5.97% compared to 4.47% for the ChiNext Index, 4.25% for All A, and 2.02% for CSI 300 [2][11] - The long-term performance of the ChiNext Composite Index is primarily driven by profit contributions, with a cyclical characteristic of "valuation first, then profit digestion" observed during different industrial trends, notably in 2013 and 2019 [2][15][17] - The composition of the ChiNext Composite Index has evolved to include over one-third of listed companies, predominantly in emerging industries such as TMT, electric power, and pharmaceuticals, reflecting policy support for new industries during China's economic transformation [2][21][22] Group 2 - Historical phases of the ChiNext Composite Index's outperformance show a clear cyclical pattern, with major cycles lasting approximately six years, including the mobile internet boom from 2012 to 2016 and the emerging manufacturing trend from 2018 to mid-2024 [3][29] - The macroeconomic environment during the ChiNext Composite Index's outperformance phases typically features economic growth slowdowns, loose monetary policy, weak credit, and declining inflation, which correlate with increased market activity and reduced risk premiums [3][33][34] - Future performance of the ChiNext Composite Index is expected to transition from valuation-driven gains to profit-driven contributions, necessitating validation of industrial trends, particularly in AI and innovative pharmaceuticals [3][42][48] Group 3 - The report suggests that despite the ChiNext Composite Index's long-term return elasticity, current market attention remains relatively low, with passive index fund sizes below 1 billion and enhanced index funds around 1.4 billion [4][54][55] - The upcoming launch of the Yinhua ChiNext Composite ETF is recommended for investors looking to capitalize on the technological growth elasticity under current industrial trends [4][54]