股票市场区间成交概况

获取沪深京交易市场股票周、月、年成交概况，包含挂牌数、总市值、流通市值、总成交量、总成交金额、累计交易天数、平均市盈率等。上交所数据为交易所官网发布区间统计，
深交所及北交所数据根据交易所发布的日度数据统计衍生获得。周、月成交概况在下周、下月初发布，年成交概况按月度更新，每月初更新截止上月的年度数据。

This dataset provides weekly, monthly and annual trading overviews of stocks listed on mainland China's Shanghai, Shenzhen and Beijing stock exchanges, including metrics such as the number of listed stocks, total market capitalization, tradable market capitalization, total trading volume, total transaction value, cumulative trading days, and average price-to-earnings (P/E) ratio. Data for the Shanghai Stock Exchange (SSE) is sourced from interval statistics published on its official website. Data for the Shenzhen Stock Exchange (SZSE) and Beijing Stock Exchange (BSE) is derived from statistics compiled based on the daily data released by each respective exchange. Weekly and monthly trading overviews are released in the following week and at the beginning of the subsequent month respectively, while the annual trading overview is updated on a monthly basis, with the annual data covering the period up to the previous month refreshed at the beginning of each month.