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上交所:修订上证380指数编制方案
news flash·2025-05-30 07:19

Core Viewpoint - The Shanghai Stock Exchange and China Securities Index Co., Ltd. have decided to revise the compilation plan of the SSE 380 Index to enhance its investability Group 1: Index Compilation Changes - The sample space for the index will be revised to align with the sample space of the SSE 180 Index [1] - New investability screening criteria will be introduced, requiring a ranking in the top 90% based on average daily trading volume over the past year [1] - ESG screening criteria will be added, excluding listed companies with a China Securities ESG rating of C or below [1] Group 2: Sample Selection and Weighting - The method for selecting index samples will be revised to include securities that are not part of the SSE 180 Index and rank beyond 160 in average total market capitalization over the past year, while selecting those ranked within the top 380 [1] - Weight constraints will be implemented, limiting the weight of any single sample to a maximum of 10% and the combined weight of the top five samples to no more than 40% [1]