Federal Funds Rate The interest rate at which a depository institution lends immediately available funds (balances at the Federal Reserve) to another depository institution overnight. Investopedia Says: This is what news reports are referring to when they talk about the Fed changing interest rates. In fact, the FOMC sets a target for this rate, but not the actual rate itself (because it is determined by the open market). Related Terms: Ben Bernanke Discount Rate Discount Window Fed Model Federal Reserve Bank Federal Reserve Board - FRB Federal Reserve Open Market Committee (FOMC) Federal Reserve System Open Market Operations Prime Rate Reserve Requirements |