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Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis (DGS30)

Observations

2026-08-26: 5.18
Updated: Aug 27, 2026 3:18 PM CDT
2026-08-26:  5.18  
2026-08-25:  5.17  
2026-08-24:  5.23  
2026-08-21:  5.27  
2026-08-20:  5.23  

Units:

Percent,
Not Seasonally Adjusted

Frequency:

Daily

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Notes

Title Release Dates
30-Year Treasury Constant Maturity Rate 2005-06-28 2019-06-30
Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis 2019-07-01 2026-08-27
 
Source    
Board of Governors of the Federal Reserve System (US) 2005-06-28 2026-08-27
 
Release    
H.15 Selected Interest Rates 2005-06-28 2026-08-27
 
Units    
Percent 2005-06-28 2026-08-27
 
Frequency    
Daily 2005-06-28 2026-08-27
 
Seasonal Adjustment    
Not Seasonally Adjusted 2005-06-28 2026-08-27
 
Notes    
Yields on actively traded non-inflation-indexed issues adjusted to constant maturities. The 30-year Treasury constant maturity series was discontinued on February 18, 2002, and reintroduced on February 9, 2006.
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.

2005-06-28 2019-06-30
Yields on actively traded non-inflation-indexed issues adjusted to constant maturities. The 30-year Treasury constant maturity series was discontinued on February 18, 2002, and reintroduced on February 9, 2006.
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).

2019-07-01 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 2026-08-27

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H.15 Selected Interest Rates

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