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, the same value recorded on 22 September.
Sample. There are 17,923 records overall in the daily time series presented in the plot above. The series covers the span of time extending from January 1954 to September 2025.
History. Here’s a quick look at a few simple statistics we computed on the entire sample: the interest rate recorded a maximum of 17.14 percent on 11 December 1980; it recorded a minimum of -0.05 on 26 March 2020; it had an average 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 |
Hint. For our users' convenience, we group series into worksheets and datasets. By moving down the page, you will find how we structured further material related to the statistics found 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 |