1 Month Treasury Bill Rates

US Treasury Bill rates are short-term financial instruments issued by the United States government. The current rate was 0.05 as of the last reporting period September 17, 2021. The shorter a Treasury bill’s maturity, the safer it is, but the lower the interest rate. 1-month Treasury bills are considered ultra-safe. Their prices are determined in the open market and are influenced by Federal Reserve monetary policy as well as the US government’s fiscal policy. Many institutions hold these Treasury bills as a form of cash. They are also traded in the secondary market to build diversified bond portfolios.

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