周三（7月23日），美联储隔夜逆回购协议（RRP）使用规模为1896.32亿美元，上个交易日报1963.74亿美元。

Core Points - The scale of the Federal Reserve's overnight reverse repurchase agreement (RRP) usage on Wednesday, July 23, was $189.632 billion, a decrease from the previous trading day's $196.374 billion [1] Summary by Category Federal Reserve Operations - The current RRP usage indicates a decline of approximately $6.742 billion from the previous day [1]