U.S. Department of the Treasury
All official data toolsTreasury par-yield curve
Compare dated par-yield observations. These are interpolated market observations, not transaction prices or a borrower’s lending rate.
Rate history & comparisons
10-year Treasury: 5.26%As of Sep 29, 2026+51 bp since Aug 31, 2026
View 21 source observations
| Observation date | Rate (%) |
|---|---|
| Sep 29, 2026 | 5.26% |
| Sep 28, 2026 | 5.24% |
| Sep 25, 2026 | 5.17% |
| Sep 24, 2026 | 5.18% |
| Sep 23, 2026 | 5.11% |
| Sep 22, 2026 | 4.96% |
| Sep 21, 2026 | 4.96% |
| Sep 18, 2026 | 5.01% |
| Sep 17, 2026 | 4.94% |
| Sep 16, 2026 | 5.01% |
| Sep 15, 2026 | 5.00% |
| Sep 14, 2026 | 4.97% |
| Sep 11, 2026 | 4.96% |
| Sep 10, 2026 | 4.95% |
| Sep 9, 2026 | 4.83% |
| Sep 8, 2026 | 4.80% |
| Sep 4, 2026 | 4.78% |
| Sep 3, 2026 | 4.77% |
| Sep 2, 2026 | 4.79% |
| Sep 1, 2026 | 4.79% |
| Aug 31, 2026 | 4.75% |
Selected window: 2026-08-31–2026-09-29. Changes use each series’ first and last available observations. Missing dates are not filled; lines connect observations. Latest dates can differ. These are dated observations, not live quotes.
Sources & methodology
10-year Treasury · U.S. Treasury · Daily par yields ↗
Business-day observations. Indicative market prices around 3:30 p.m. Eastern; not live quotes.
History retrieved Sep 30, 2026, 6:32 AM MDT. Shared links pin their window end; source histories may later be corrected by their publishers.