沪深京三市成交额超1.5万亿元，较上日此时缩量800亿。

Core Insights - The trading volume in the Shanghai, Shenzhen, and Beijing markets exceeded 1.5 trillion yuan, indicating a decrease of 80 billion yuan compared to the same time the previous day [1] Group 1 - The total trading volume across the three major markets reached over 1.5 trillion yuan [1] - There was a notable reduction in trading volume, down by 80 billion yuan from the previous day [1]