A股，年内成交额为去年2倍

Group 1 - The total trading volume of A-shares has reached 280 trillion yuan this year, representing a 109% increase compared to 134 trillion yuan in the same period last year [1] - The average daily trading volume of A-shares is 1.61 trillion yuan, which is a 107% increase from last year's average of 0.78 trillion yuan [1] - Since August 13, A-share trading volume has exceeded 2 trillion yuan for 26 consecutive trading days, indicating a high level of market activity [2]