中国央行：4月份，沪市日均交易量5158.1亿元，环比减少13.5%；深市日均交易量6911.8亿元，环比减少22.8%。

Group 1 - The average daily trading volume on the Shanghai Stock Exchange in April was 515.81 billion yuan, a month-on-month decrease of 13.5% [1] - The average daily trading volume on the Shenzhen Stock Exchange in April was 691.18 billion yuan, a month-on-month decrease of 22.8% [1]