Core Viewpoint - The article highlights the significant outperformance of quantitative index enhancement products in 2025, driven by increased market activity, structural opportunities in small-cap stocks, and advancements in AI technology within quantitative strategies [2][29]. Group 1: Performance of Quantitative Index Enhancement Products - As of May 2025, quantitative index enhancement products have shown an average excess return of 24.48% over the past year, with 93.91% of the products reporting positive excess returns [2]. - The performance of various strategies is detailed, with the "Other Index Enhancement" category leading at an average excess return of 34.74% over the past year [2]. - The market environment has favored small-cap stocks, which have outperformed due to increased liquidity and risk appetite among investors [3][8]. Group 2: Drivers Behind Performance - The active trading environment and increased stock price volatility have provided ample trading opportunities for quantitative managers, facilitating the generation of excess returns [3][29]. - The introduction of the CSI A500 index has opened new avenues for quantitative strategies, prompting institutions to accelerate their product offerings [8]. - The application of AI in quantitative investment has enhanced the resilience and effectiveness of strategies, allowing for better data processing and risk management [8][29]. Group 3: Trends in Quantitative Strategy Layout - Private equity firms are diversifying their quantitative strategies, with a focus on machine learning and AI to meet varying investor needs [4][9]. - There is a noticeable trend towards multi-category and finely-tuned product lines, particularly in index enhancement products, to cater to different client demands [9][20]. - The market is witnessing a shift towards thematic strategies, such as dividend enhancement and industry-specific strategies, to provide investors with more targeted investment options [25][20]. Group 4: Small-Cap Index Enhancement Products - Small-cap index enhancement products are expected to continue showing potential for excess returns due to their inherent volatility and liquidity advantages [11][21]. - The current market environment has led to increased interest in small-cap stocks, which are perceived to have higher growth potential, although they also carry higher risks [21][26]. - Investors are advised to balance their portfolios according to their risk tolerance, especially given the potential for significant price fluctuations in small-cap stocks [17][27].