Source: Federal Reserve Bank of St. Louis
Release: Interest Rate Spreads
Series is calculated as the spread between 1-Year Treasury Constant Maturity (BC_1YEAR) and Effective Federal Funds Rate (https://fred.stlouisfed.org/series/DFF).
Starting with the update on June 21, 2019, the Treasury bond data used in calculating interest rate spreads is obtained directly from the U.S. Treasury Department.
Federal Reserve Bank of St. Louis, 1-Year Treasury Constant Maturity Minus Federal Funds Rate [T1YFF], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/T1YFF, May 31, 2023.