United States - 1-Year Treasury Bill Secondary Market Rate

United States - 1-Year Treasury Bill Secondary Market Rate was 3.76% in August of 2025, according to the United States Federal Reserve. Historically, United States - 1-Year Treasury Bill Secondary Market Rate reached a record high of 15.05 in September of 1981 and a record low of 0.04 in May of 2021. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - 1-Year Treasury Bill Secondary Market Rate - last updated from the United States Federal Reserve on September of 2025.