Observations

Sep 2026: 3.79

Updated: Oct 1, 2026 3:16 PM CDT

Units:

Percent,

Not Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

4-Week Treasury Bill: Secondary Market Rate	2001-10-02	2002-02-03
4-Week Treasury Bill Secondary Market Rate, Discount Basis	2002-02-04	2026-10-01

Source

Board of Governors of the Federal Reserve System (US)	2001-10-02	2026-10-01

Release

G.13 Selected Interest Rates	2001-10-02	2002-02-03
H.15 Selected Interest Rates	2002-02-04	2026-10-01

Units

Percent	2001-10-02	2026-10-01

Frequency

Monthly	2001-10-02	2026-10-01

Seasonal Adjustment

Not Seasonally Adjusted	2001-10-02	2026-10-01

Notes

Averages of business days. Discount basis.	2001-10-02	2025-01-06
data source (https://www.federalreserve.gov/apps/ContactUs/feedback.aspx?refurl=/releases/h15/%). For questions on FRED functionality, please contact us here (https://fred.stlouisfed.org/contactus/).	2025-01-07	2026-10-01

Release Tables

H.15 Selected Interest Rates