周四（7月31日），美联储隔夜逆回购协议（RRP）使用规模为2144.45亿美元，上个交易日报1554.81亿美元

Core Viewpoint - The usage of the Federal Reserve's overnight reverse repurchase agreement (RRP) reached $214.45 billion on July 31, significantly increasing from $155.48 billion in the previous trading day [1] Group 1 - The RRP usage on July 31 was $214.45 billion [1] - The previous trading day's RRP usage was $155.48 billion [1] - This indicates a notable increase in RRP activity [1]