3-month Treasury bill secondary market rate (percentage points) - United States - FED Board - Daily
This series is part of the dataset: US money market rates (FED Board)
Download Full Dataset (.xlsx)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 |
Suggestion. To make your life easier, we group series into data sets and worksheets. By moving down the page, you will discover how we arranged further information linked to the statistics published here.
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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 |