Which component of the federal reserve system holds the most power in regards to day to day monetary policy?

The Federal Open Market Committee (FOMC) holds the most power in regards to day-to-day monetary policy within the Federal Reserve System. Comprising members of the Board of Governors and regional Federal Reserve Bank presidents, the FOMC meets regularly to set key interest rates and implement open market operations. These decisions directly influence money supply and economic conditions, making the FOMC pivotal in guiding U.S. monetary policy.