Federal Reserve Economic Data

Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis, Inflation-Indexed (DFII30)

Observations

2026-01-13: 2.58
Updated: Jan 14, 2026 3:17 PM CST
Next Release Date: Jan 15, 2026
2026-01-13:  2.58  
2026-01-12:  2.59  
2026-01-09:  2.58  
2026-01-08:  2.62  
2026-01-07:  2.59  
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Units:

Percent,
Not Seasonally Adjusted

Frequency:

Daily

Fullscreen

Notes

Source: Board of Governors of the Federal Reserve System (US)  

Release: H.15 Selected Interest Rates  

Units:  Percent, Not Seasonally Adjusted

Frequency:  Daily

Notes:

For further information regarding treasury constant maturity data, please refer to the H.15 Statistical Release notes and the Treasury Yield Curve Methodology.

For questions on the data, please contact the data source. For questions on FRED functionality, please contact us here.

Suggested Citation:

Board of Governors of the Federal Reserve System (US), Market Yield on U.S. Treasury Securities at 30-Year Constant Maturity, Quoted on an Investment Basis, Inflation-Indexed [DFII30], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/DFII30, .

Release Tables

H.15 Selected Interest Rates

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Annual, Not Seasonally Adjusted Monthly, Not Seasonally Adjusted Weekly, Not Seasonally Adjusted

Related Categories

Treasury Inflation-Indexed Securities Treasury Constant Maturity Interest Rates Money, Banking, & Finance

Releases

More Series from H.15 Selected Interest Rates

Tags

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

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