指数区间涨跌幅

获取指数每日表现，包含从2020-01-02后每一个交易日的周、月、季、半年、年等区间涨跌幅情况。沪深重要指数的更新时间为15:30，其他指数因发布机构不同会陆续更新。

This dataset provides daily performance data for various indices, including price change rates across multiple time intervals (weekly, monthly, quarterly, semi-annual, annual, etc.) for every trading day starting from January 2, 2020. Key indices listed on the Shanghai and Shenzhen stock exchanges are updated at 15:30, while other indices will be updated sequentially due to the varying release schedules of their respective issuing institutions.