量化掘基系列之四十一：从智选到量化：细分Beta指增策略的矩阵搭建

• The quantitative index enhancement market has seen rapid growth, expanding from 95.85 billion yuan in 2020 to over 250 billion yuan by 2025[2][14] - The market is characterized by a concentration of top products and an increase in average scale, with leading products continuously breaking new ground[2] - Regulatory policies starting in 2024 have compressed the alpha space for high-frequency T0 strategies, pushing managers to shift from high-frequency trading to mid-to-low-frequency fundamental factor exploration[2] - The average turnover rate of products has generally decreased since 2025, and the quality of index constituent stocks has improved, transforming quantitative index enhancement from a short-term trading tool to a product with long-term asset allocation value[2] - Yongying Fund Management Co., Ltd. is a joint venture fund company established by Ningbo Bank and OCBC Bank, with a management scale exceeding 620 billion yuan as of Q3 2025[3] - Yongying's quantitative index enhancement product system is divided into three categories: regular broad-based index enhancement, special benchmark index enhancement, and quantitative theme index enhancement[3] - The system relies on three core capabilities: full-process application of machine learning, multi-strategy integration, and strict risk control, ensuring stable excess returns and risk control in different market environments[3] - Yongying SSE STAR 100 Index Enhancement A (021278) is an enhanced index product with a stock position maintained above 90% since its inception, showing higher volatility and drawdown compared to similar products but better return performance[4] - Yongying CSI A50 Index Enhancement A (022204) is another enhanced index product with lower volatility and drawdown levels compared to similar products, and better return performance, reflecting good risk-adjusted returns[5]