The interest rate for federal judgments is based on the average prices for U.S. Government Securities - Treasury Constant Maturities -1- Year. (See 28 U.S.C. § 1961, 18 U.S.C. § 3612, and 40 U.S.C. § 258(e)(1))
Post-judgment interest rates for earlier judgments may be determined by finding the date of the rate that immediately preceded the recording of the judgment in the tables to the left.
For detailed information visit federalreserve.gov or the uscourts.gov website.