3-month par yield on Treasuries (percentage points; constant maturity; nominal) - United States - Department of the Treasury - Daily
This series is part of the dataset: US Treasury constant-maturity par yields (Department of the Treasury)
Download Full Dataset (.xlsx)Latest updates. According to data published by the US Treasury, the par yield on 3-month US government bonds was 4.02 percent on 24 September 2025, compared to 4.00 on 23 September.
Sample. In the daily time series shown in the graph, there are 8,936 records. The series covers the time span extending from January 1990 to September 2025.
History. Here are a few descriptive statistics computed on the entire sample: the yield had a mean value of 2.78 percent; it reached its lowest level of 0.00 on 22 September 2011; it reached a maximum of 8.26 on 9 March 1990.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-09-22 | 4.0 |
| 2025-09-23 | 4.0 |
| 2025-09-24 | 4.02 |
Nugget of wisdom. Our metadata often contain links to the sources of the data series we publish. You can use these links to find more details.
Not for investment purposes. Financial data disseminated on this web site are not suitable for investment purposes or as a basis for making financial decisions. Users should seek professional advice and do their own independent due diligence before making any financial commitments.
Series Metadata
| Field | Value |
|---|---|
| Description | 3-month yield US Treasury par yield curve |
| Country | United States |
| Economic concept | Interest rate |
| Data type | Constant-maturity nominal par yield |
| Deflation method | Not applicable |
| Seasonally adjusted | No |
| Rescaling | None |
| Frequency | Daily |
| Unit | Percentage points |
| Source | U.S. Department of the Treasury |
| Source type | Federal Administration |
| Data licence | Not copyrightable under U.S. law |
| Measure type | Interpolated level (constant maturity) |
Series in the same data set
Discover the other time series included in this data set.
Nominal yields
Real yields
| Series Name | Observations | Start Date | End Date |
|---|---|---|---|
| 5-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5687 | 2003-01-02 | 2025-09-24 |
| 7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5687 | 2003-01-02 | 2025-09-24 |
| 10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5687 | 2003-01-02 | 2025-09-24 |
| 20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5296 | 2004-07-27 | 2025-09-24 |
| 30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 3902 | 2010-02-22 | 2025-09-24 |