1-Year Treasury Constant Maturity Minus Federal Funds Rate (T1YFF)

Observations

2026-09-04: 0.50
Updated: Sep 8, 2026 4:04 PM CDT
Next Release Date: Sep 9, 2026
2026-09-04:  0.50  
2026-09-03:  0.48  
2026-09-02:  0.53  
2026-09-01:  0.55  
2026-08-31:  0.53  
View All

Units:

Percent,
Not Seasonally Adjusted

Frequency:

Daily

Fullscreen

Notes

Source: Federal Reserve Bank of St. Louis  

Release: Interest Rate Spreads

Units:  Percent, Not Seasonally Adjusted

Frequency:  Daily

Notes:

Series is calculated as the spread between 1-Year Treasury Constant Maturity (BC_1YEAR) and Effective Federal Funds Rate (https://fred.stlouisfed.org/series/DFF).
Starting with the update on June 21, 2019, the Treasury bond data used in calculating interest rate spreads is obtained directly from the U.S. Treasury Department.

Suggested Citation:

Federal Reserve Bank of St. Louis, 1-Year Treasury Constant Maturity Minus Federal Funds Rate [T1YFF], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/T1YFF, .

Release Tables

Related Data and Content

Data Suggestions Based On Your Search

Content Suggestions

Other Formats

Monthly, Not Seasonally Adjusted

Related Categories

Interest Rate Spreads Interest Rates Money, Banking, & Finance

Releases

More Series from Interest Rate Spreads

Tags

Yield Curve 1-Year Spread Maturity Federal Treasury Interest Rate St. Louis Fed Interest Daily Rate Copyrighted: Citation Required Nation United States of America Not Seasonally Adjusted

Back to Top

Subscribe to the FRED newsletter

Follow us

 

Need Help?

Questions or Comments
FRED Help
Legal
Privacy Notice & Policy