周四（10月30日），美联储隔夜逆回购协议（RRP）使用规模为191.66亿美元，上个交易日报195.04亿美元

Core Points - The scale of the Federal Reserve's overnight reverse repurchase agreement (RRP) usage was $19.166 billion on Thursday, October 30, down from $19.504 billion on the previous trading day [1] Group 1 - The current RRP usage indicates a slight decrease in liquidity management by the Federal Reserve [1] - The figures reflect ongoing trends in monetary policy and market conditions [1] - The RRP program is a tool used by the Federal Reserve to help control short-term interest rates [1]