6-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 6-month US government bonds was 3.80 percent on 14 November 2025, the same value recorded on the previous day.
Sample. There are 8,974 data points in the daily time series presented in the graph above. The span of time covered by the series extends from January 1990 to November 2025.
History. Here's a snapshot of some simple statistics we calculated on the entire sample: the yield recorded its highest level of 8.49 percent on 1 May 1990; it recorded a minimum of 0.02 on 26 August 2011; it had a mean value of 2.90.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2025-11-12 | 3.78 |
| 2025-11-13 | 3.8 |
| 2025-11-14 | 3.8 |
Tip. An advantage of using our web site is that we provide complete metadata. Check it below to delve deeper into the properties of the time series that you use in your research.
Not for investment purposes. Time series and other data hosted on this web site are not meant for investment purposes or any other financial decision. Users should seek expert advice and perform their own independent due diligence before taking any financial risk.
Series Metadata
| Field | Value |
|---|---|
| Description | 6-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: Nominal yields
Series in the same data set: 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 | 5722 | 2003-01-02 | 2025-11-14 |
| 7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5722 | 2003-01-02 | 2025-11-14 |
| 10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5722 | 2003-01-02 | 2025-11-14 |
| 20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5331 | 2004-07-27 | 2025-11-14 |
| 30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 3937 | 2010-02-22 | 2025-11-14 |