Interest Rate Statistics | U. S. Department of the Treasury Interest Rate Statistics NOTICE: See Developer Notice on changes to the XML data feeds Daily Treasury PAR Yield Curve Rates This par yield curve, which relates the par yield on a security to its time to maturity, is based on the closing market bid prices on the most recently auctioned Treasury securities in the over-the-counter market
Daily Treasury Rates | U. S. Department of the Treasury See our Treasury Yield Curve Methodology page for details Negative Yields and Nominal Constant Maturity Treasury Series Rates (CMTs): At times, financial market conditions, in conjunction with extraordinarily low levels of interest rates, may result in negative yields for some Treasury securities trading in the secondary market
Interest Rates - U. S. Department of the Treasury Are the CMT rates the same as the yields on actual Treasury securities? CMT yields are read directly from the Treasury's daily par yield curve, which is derived from indicative closing bid market price quotations on Treasury securities However, CMT rates are read from fixed, constant maturity points on the curve and may not match the exact yield on any one specific security For more
Front page | U. S. Department of the Treasury Data Center Treasury Interest Rate Statistics On a daily basis, Treasury publishes Treasury Par Yield Curve Rates, Treasury Par Real Yield Curve Rates, Treasury Bill Rates, Treasury Long-Term Rates and Extrapolation Factors, and Treasury Real Long-Term Rate Averages
Interest Rate XML Files | U. S. Department of the Treasury Interest Rate XML Daily Treasury Par Yield Curve RatesDaily Treasury Par Real Yield Curve RatesDaily Treasury Bill RatesDaily Treasury Long-Term Rates and Extrapolation FactorsDaily Treasury Real Long-Term Rate Averages
Treasury Yield Curve Methodology - U. S. Department of the Treasury Treasury Yield Curve Methodology 2 18 2025 This description was revised and updated on February 18, 2025 The Treasury's official yield curve is a par yield curve derived using a monotone convex method Our inputs are indicative, bid-side market price quotations (not actual transactions) for the most recently auctioned securities obtained by the Federal Reserve Bank of New York at or near 3:30
Corporate Bond Yield Curve Papers and Data Learn more about the corporate bond yield curve, and how it relates to the Pension Protection Act, by downloading these papers and historical data
Treasury Daily Interest Rate XML Feed GETTING STARTED The Treasury Daily Interest Rate Feed provides daily interest rate data in Extensible Markup Language (XML) Our data feed accepts GET requests, returns XML responses, and uses standard HTTP response codes For more information about the updates to XML feeds, please see the developer notice on XML data feeds DATA FEED URL STRUCTURE For simplicity and consistency, data feed
Developer Notice - XML changes | U. S. Department of the Treasury Subscribe to Developer Notice updates ON FEBRUARY 18, 2025 THE XML FEEDS AND CSV WILL INCLUDE NEW ELEMENTSEffective with the inaugural auction of the new benchmark 6-week Treasury bill, currently anticipated to take place on Tuesday, February 18, 2025, Treasury plans to include 6-week bill prices in its input data set for the daily yield curve Treasury also plans to add a 1 5-month CMT to the
Tax Policy - U. S. Department of the Treasury The Office of Tax Policy develops and implements tax policies and programs, reviews regulations and rulings to administer the Internal Revenue Code, negotiates tax treaties, provides economic and legal policy analysis for domestic and international tax policy decisions, and provides estimates for the President's budget, fiscal policy decisions, and cash management decisions