United States - Market Yield on U.S. Treasury Securities at 1-Month Constant Maturity was 3.73% in February of 2026, according to the United States Federal Reserve. Historically, United States - Market Yield on U.S. Treasury Securities at 1-Month Constant Maturity reached a record high of 5.81 in May of 2023 and a record low of 0.00 in September of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - Market Yield on U.S. Treasury Securities at 1-Month Constant Maturity - last updated from the United States Federal Reserve on March of 2026.