Federal Reserve Economic Data

6-Month Treasury Bill Minus Federal Funds Rate (TB6SMFFM)

Observations

Dec 2025: -0.20
Updated: Jan 2, 2026 4:03 PM CST
Next Release Date: Jan 20, 2026
Dec 2025:  -0.20  
Nov 2025:  -0.19  
Oct 2025:  -0.40  
Sep 2025:  -0.48  
Aug 2025:  -0.39  
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Units:

Percent,
Not Seasonally Adjusted

Frequency:

Monthly

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Notes

Source: Federal Reserve Bank of St. Louis  

Release: Interest Rate Spreads

Units:  Percent, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Series is calculated as the spread between 6-Month Treasury Bill: Secondary Market Rate (https://fred.stlouisfed.org/series/TB6MS) and Effective Federal Funds Rate (https://fred.stlouisfed.org/series/FEDFUNDS).

Suggested Citation:

Federal Reserve Bank of St. Louis, 6-Month Treasury Bill Minus Federal Funds Rate [TB6SMFFM], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/TB6SMFFM, .

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Interest Rate Spreads Interest Rates Money, Banking, & Finance

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Tags

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

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