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 3.86 percent on 14 August 2026, compared to 3.87 on 13 August 2026.
Sample. There are 9,158 observations overall in the daily time series displayed in the chart above. The time period covered by the series is from January 1990 to August 2026.
History. Here's a glimpse of a few summary statistics we calculated on the full sample: the yield hit a minimum of 0.00 percent on 22 September 2011; it reached its highest level of 8.26 on 9 March 1990; it had a mean value of 2.81.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-08-12 | 3.87 |
| 2026-08-13 | 3.87 |
| 2026-08-14 | 3.86 |
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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 | 5909 | 2003-01-02 | 2026-08-14 |
| 7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5909 | 2003-01-02 | 2026-08-14 |
| 10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5909 | 2003-01-02 | 2026-08-14 |
| 20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5518 | 2004-07-27 | 2026-08-14 |
| 30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 4124 | 2010-02-22 | 2026-08-14 |