4-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 4-month US government bonds was 3.89 percent on 22 June 2026, compared to 3.85 on 18 June.
Sample. In this daily time series, there are 917 records. The time period covered by the series goes from October 2022 to June 2026.
History. Take a look at some summary statistics computed on the full sample: the yield reached a trough of 3.58 percent on 6 January 2026; it achieved a maximum of 5.64 on 6 October 2023; it had a mean value of 4.71.
Latest values
| Date | Value - Percentage points |
|---|---|
| 2026-06-17 | 3.85 |
| 2026-06-18 | 3.85 |
| 2026-06-22 | 3.89 |
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Series Metadata
| Field | Value |
|---|---|
| Description | 4-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 | 5871 | 2003-01-02 | 2026-06-22 |
| 7-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5871 | 2003-01-02 | 2026-06-22 |
| 10-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5871 | 2003-01-02 | 2026-06-22 |
| 20-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 5480 | 2004-07-27 | 2026-06-22 |
| 30-year real par yield on Treasuries (percentage points; constant maturity; real) - United States - Department of the Treasury - Daily | 4086 | 2010-02-22 | 2026-06-22 |