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Market Yield on U.S. Treasury Securities at 1-Year Constant Maturity, Quoted on an Investment Basis (GS1)

Observations

Jun 2026: 3.91
Updated: Jul 1, 2026 3:16 PM CDT
Jun 2026:  3.91  
May 2026:  3.79  
Apr 2026:  3.69  
Mar 2026:  3.67  
Feb 2026:  3.48  

Units:

Percent,
Not Seasonally Adjusted

Frequency:

Monthly

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Notes

Title Release Dates
1-Year Treasury Constant Maturity Rate 1996-12-03 2002-02-03
Market Yield on U.S. Treasury Securities at 1-Year Constant Maturity, Quoted on an Investment Basis 2002-02-04 2026-07-01
 
Source    
Board of Governors of the Federal Reserve System (US) 1996-12-03 2026-07-01
 
Release    
G.13 Selected Interest Rates 1996-12-03 2002-02-03
H.15 Selected Interest Rates 2002-02-04 2026-07-01
 
Units    
Percent 1996-12-03 2026-07-01
 
Frequency    
Monthly 1996-12-03 2026-07-01
 
Seasonal Adjustment    
Not Seasonally Adjusted 1996-12-03 2026-07-01
 
Notes    
Averages of business days. For further information regarding treasury constant maturity data, please refer to http://www.federalreserve.gov/releases/h15/current/h15.pdf and http://www.treasury.gov/resource-center/data-chart-center/interest-rates/Pages/yieldmethod.aspx.

1996-12-03 2002-02-03
Averages of business days. For further information regarding treasury constant maturity data, please refer to the H.15 Statistical Release notes (https://www.federalreserve.gov/releases/h15/default.htm) and the Treasury Yield Curve Methodology (https://home.treasury.gov/policy-issues/financing-the-government/interest-rate-statistics/treasury-yield-curve-methodology).

2002-02-04 2025-01-06
H.15 Statistical Release notes (https://www.federalreserve.gov/releases/h15/default.htm) and the Treasury Yield Curve Methodology (https://home.treasury.gov/policy-issues/financing-the-government/interest-rate-statistics/treasury-yield-curve-methodology).

For questions on the data, please contact the data source (https://www.federalreserve.gov/apps/ContactUs/feedback.aspx?refurl=/releases/h15/%). For questions on FRED functionality, please contact us here (https://fred.stlouisfed.org/contactus/).

2025-01-07 2026-07-01

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H.15 Selected Interest Rates

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Treasury Constant Maturity Interest Rates Money, Banking, & Finance

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1-Year Maturity H.15 Selected Interest Rates Treasury Interest Rate Interest Board of Governors Rate Monthly Nation Public Domain: Citation Requested United States of America Not Seasonally Adjusted