中证A股月度权重

记录中证A股指数及三板指数，SAC指数的成分股月度权重信息，包括指数内部代码、成分股内部代码、权重生效日及成分股权重。

This dataset documents the monthly constituent stock weight data for the CSI A-share Index, the Third Board Index (officially the National Equities Exchange and Quotations Index, NEEQ Index), and the SAC Index, including the index internal code, constituent stock internal code, weight effective date, and constituent stock weight.