United States - 3-Month Treasury Bill Secondary Market Rate was 0.44% in March of 2022, according to the United States Federal Reserve. Historically, United States - 3-Month Treasury Bill Secondary Market Rate reached a record high of 16.30 in May of 1981 and a record low of 0.01 in January of 1940. Trading Economics provides the current actual value, an historical data chart and related indicators for United States - 3-Month Treasury Bill Secondary Market Rate - last updated from the United States Federal Reserve on April of 2024.