Freely Downloadable Data Sets Updated Daily

3-month Treasury bill secondary market rate (percentage points) - United States - FED Board - Daily

Latest updates. In US money markets, the 3-month T-bill secondary-market rate stood at 3.86 percent on 23 September 2025, unchanged with respect to the previous day.

Sample. The daily series plotted above has a total of 17,923 observations. The time range covered by the series goes from January 1954 to September 2025.

History. Check out a few simple statistics computed on the full sample: the interest rate peaked at 17.14 percent on 11 December 1980; it reached a trough of -0.05 on 26 March 2020; it had a mean value of 4.20.

Latest values

Date Value - Percentage points
2025-09-19 3.89
2025-09-22 3.86
2025-09-23 3.86

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Series Metadata

Field Value
Description 3-month Treasury bill secondary market rate
Country United States
Economic concept Interest rate
Data type Interest rate
Deflation method Nominal
Seasonally adjusted No
Rescaling None
Frequency Daily
Unit Percentage points
Source Board of Governors of the Federal Reserve System
Source type Central bank
Data licence Licence to copy and distribute without permission
Measure type Level

Series in the same data set

Discover the other time series included in this data set.

Fed funds

Series Name Observations Start Date End Date
Federal funds effective rate (percentage points) - United States - FED Board - Daily 17915 1954-07-01 2025-09-23

Commercial paper

Series Name Observations Start Date End Date
30-Day AA Nonfinancial Commercial Paper Interest Rate (percentage points) - United States - FED Board - Daily 6771 1997-01-02 2025-09-23
60-Day AA Nonfinancial Commercial Paper Interest Rate (percentage points) - United States - FED Board - Daily 6044 1997-01-02 2025-09-23
90-Day AA Nonfinancial Commercial Paper Interest Rate (percentage points) - United States - FED Board - Daily 5213 1997-01-02 2025-09-18
30-Day AA Financial Commercial Paper Interest Rate (percentage points) - United States - FED Board - Daily 5998 1997-01-02 2025-09-19
60-Day AA Financial Commercial Paper Interest Rate (percentage points) - United States - FED Board - Daily 5731 1997-01-02 2025-09-23
90-Day AA Financial Commercial Paper Interest Rate (percentage points) - United States - FED Board - Daily 6619 1997-01-02 2025-09-22

Prime bank rate

Series Name Observations Start Date End Date
Prime rate charged by banks on short-term loans to business (percentage points) - United States - FED Board - Weekly 17874 1955-08-04 2025-09-23

Treasury bills

Series Name Observations Start Date End Date
4-week Treasury bill secondary market rate (percentage points) - United States - FED Board - Daily 6039 2001-07-31 2025-09-23
3-month Treasury bill secondary market rate (percentage points) - United States - FED Board - Daily 17923 1954-01-04 2025-09-23
6-month Treasury bill secondary market rate (percentage points) - United States - FED Board - Daily 16683 1958-12-09 2025-09-23
1-year Treasury bill secondary market rate (percentage points) - United States - FED Board - Daily 14847 1959-07-15 2025-09-23