央行今日开展3425亿元7天逆回购操作，投标量3425亿元，中标量3425亿元，操作利率为1.40%，与此前持平。

Group 1 - The central bank conducted a reverse repurchase operation of 342.5 billion yuan for 7 days, with the bidding amount and winning amount both at 342.5 billion yuan [1] - The operation interest rate remains unchanged at 1.40%, consistent with previous rates [1]