The Prime Rate is usually adjusted at the same time and in correlation to the adjustments of the Fed Funds Rate, which is set by a special rate setting committee of the Federal Reserve called the FOMC. In recent history, the Prime Interest Rate has been set at 3% over the high end of the range for Fed Funds. United States (Fed) Prime Rate Chart: 1955 to The Present. United States Prime Rate Chart: Prime Rate Source: Prime Rate History (DAILY) Best Books / Recommended Reading: This United States Prime Rate Chart is valid to March 18, 2020. Updated on March 3, 2020. Therefore, the United States Prime Rate is now 4.25%, EFFECTIVE TOMORROW (March 4, 2020.) The next FOMC meeting and decision on short-term interest rates will be on March 18, 2020. CLICK HERE to Jump to The Top of This Page: Prime Rate | Current Prime Rate | Prime Rate History | Prime Rate