On all judgments entered on and after December 21, 2000, interest is calculated from the date of the entry of the judgment at a rate equal to the weekly average 1-year constant maturity Treasury yield, as published by the Board of Governors of the Federal Reserve System, for the calendar week preceding the date of the judgment.
As of July 27, 2017, this information is available at the following Federal Reserve Bank of St. Louis website link:https://fred.stlouisfed.org/release/tables?rid=18&eid=290&od=. The applicable rate is listed under U.S. government securities - Treasury constant maturities - 1-year. The listed rate is applicable to a judgment entered in the week after the week ending on the date in the Period column. Rates for prior weeks can be found by selecting a different Period date at the top of the table. Alternatively, and also as of July 27, 2017, you can find this information by following the instructions in the second Technical Q&A at the following Federal Reserve Board website link: https://www.federalreserve.gov/releases/h15/h15_technical_qa.htm .