Observations

Aug 2026: 3.86

Updated: Sep 1, 2026 3:16 PM CDT

Units:

Percent,

Not Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

1-Year Treasury Bill Secondary Market Rate, Discount Basis	2008-07-07	2026-09-01

Source

Board of Governors of the Federal Reserve System (US)	2008-07-07	2026-09-01

Release

H.15 Selected Interest Rates	2008-07-07	2026-09-01

Units

Percent	2008-07-07	2026-09-01

Frequency

Monthly	2008-07-07	2026-09-01

Seasonal Adjustment

Not Seasonally Adjusted	2008-07-07	2026-09-01

Notes

Averages of Business Days, Discount Basis	2008-07-07	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	2026-09-01

Release Tables

H.15 Selected Interest Rates