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Home > Releases > H.15 Selected Interest Rates > 4-Week Treasury Bill Secondary Market Rate, Discount Basis

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

Jun 2026: 3.61
Updated: Jul 1, 2026 3:16 PM CDT
Jun 2026:  3.61  
May 2026:  3.60  
Apr 2026:  3.60  
Mar 2026:  3.64  
Feb 2026:  3.63  

Units:

Percent,
Not Seasonally Adjusted

Frequency:

Monthly

Fullscreen

Notes

Title Release Dates

2001-10-02 2002-02-03
2002-02-04 2026-07-01
 
Source    

2001-10-02 2026-07-01
 
Release    

2001-10-02 2002-02-03
2002-02-04 2026-07-01
 
Units    

2001-10-02 2026-07-01
 
Frequency    

2001-10-02 2026-07-01
 
Seasonal Adjustment    

2001-10-02 2026-07-01
 
Notes    

2001-10-02 2025-01-06
2025-01-07 2026-07-01