If you're trying to understand what the federal funds rate is (what interest rates refer to here), you can read here: https://fred.stlouisfed.org/series/FEDFUND

If you're trying to understand what the federal funds rate is (what interest rates refer to here), you can read here: https://fred.stlouisfed.org/series/FEDFUNDS https://fred.stlouisfed.org/series/FEDFUNDS