中证A500指数全年涨超22%，A500ETF易方达（159361）超额收益居同类可比产品前列

Group 1 - The core point of the article highlights the performance of the China A-share indices on the last trading day of 2025, with the CSI A500 index down by 0.3%, and both the CSI A100 and A50 indices down by 0.6% [1] - Throughout 2025, the CSI A500 index recorded an annual increase of over 22% [1] - As of December 30, 2025, the E Fund A500 ETF (159361) achieved an annualized tracking error of only 0.34 percentage points, with an excess return of 2.86 percentage points relative to the index, ranking first among similar products with over 10 billion in scale [1]