4-Week Treasury Bill Secondary Market Rate, Discount Basis (TB4WK)

Observations

May 2026: 3.60
Updated: Jun 1, 2026 3:18 PM CDT
Next Release Date: Jun 9, 2026
May 2026:  3.60  
Apr 2026:  3.60  
Mar 2026:  3.64  
Feb 2026:  3.63  
Jan 2026:  3.60  
View All

Units:

Percent,
Not Seasonally Adjusted

Frequency:

Monthly

Fullscreen

Notes

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

Release: H.15 Selected Interest Rates  

Units:  Percent, Not Seasonally Adjusted

Frequency:  Monthly

Notes:

Averages of business days. Discount basis.

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), 4-Week Treasury Bill Secondary Market Rate, Discount Basis [TB4WK], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/TB4WK, .

Release Tables

H.15 Selected Interest Rates

Related Data and Content

Data Suggestions Based On Your Search

Content Suggestions

Other Formats

Annual, Not Seasonally Adjusted Daily, Not Seasonally Adjusted Weekly, Not Seasonally Adjusted

Related Categories

Treasury Bills Interest Rates Money, Banking, & Finance

Releases

More Series from H.15 Selected Interest Rates

Tags

Secondary Market 1-Month Bills H.15 Selected Interest Rates Treasury Interest Rate Interest Board of Governors Rate Monthly Nation Public Domain: Citation Requested 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