指数估值信息

获取指数估值信息，包含指数总市值、流通市值、指数市盈率、指数市净率、ROE、成分股涨跌数等信息。请注意：净利润与市值不含PE为负或大于1000的成分股；成分中含B股的，换算为CNY。

Obtain index valuation information, including total market capitalization of the index, free float market capitalization, index price-to-earnings ratio (P/E ratio), index price-to-book ratio (P/B ratio), return on equity (ROE), number of advancing and declining component stocks, and other relevant metrics. Please note: Net profit and market capitalization figures exclude component stocks with a negative P/E ratio or a P/E ratio greater than 1000; For indices that include B-shares in their components, their corresponding values shall be converted to Chinese Yuan (CNY).