6-Month Treasury Constant Maturity Minus Federal Funds Rate (T6MFF)

Observations

2026-08-17: 0.32
Updated: Aug 18, 2026 4:02 PM CDT
Next Release Date: Aug 19, 2026
2026-08-17:  0.32  
2026-08-14:  0.32  
2026-08-13:  0.31  
2026-08-12:  0.34  
2026-08-11:  0.36  
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Units:

Percent,
Not Seasonally Adjusted

Frequency:

Daily

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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 6-Month Treasury Constant Maturity (BC_6MONTH) and Effective Federal Funds Rate (https://fred.stlouisfed.org/series/EFFR).
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, 6-Month Treasury Constant Maturity Minus Federal Funds Rate [T6MFF], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/T6MFF, .

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Monthly, Not Seasonally Adjusted

Related Categories

Interest Rate Spreads Interest Rates Money, Banking, & Finance

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Tags

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

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