7月22日电，央行今日开展2148亿元7天逆回购操作，投标量2148亿元，中标量2148亿元，操作利率为1.40%，与此前持平。

Group 1 - The central bank conducted a reverse repurchase operation of 214.8 billion yuan for 7 days, with the bidding amount matching the operation amount [1] - The operation interest rate remains unchanged at 1.40%, consistent with previous rates [1]