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U.S. Department of the Treasury

Treasury par-yield curve

Compare dated par-yield observations. These are interpolated market observations, not transaction prices or a borrower’s lending rate.

All official data tools

Rate history & comparisons

10-year Treasury: 5.26%As of Sep 29, 2026+51 bp since Aug 31, 2026
View 21 source observations
Observation dateRate (%)
Sep 29, 20265.26%
Sep 28, 20265.24%
Sep 25, 20265.17%
Sep 24, 20265.18%
Sep 23, 20265.11%
Sep 22, 20264.96%
Sep 21, 20264.96%
Sep 18, 20265.01%
Sep 17, 20264.94%
Sep 16, 20265.01%
Sep 15, 20265.00%
Sep 14, 20264.97%
Sep 11, 20264.96%
Sep 10, 20264.95%
Sep 9, 20264.83%
Sep 8, 20264.80%
Sep 4, 20264.78%
Sep 3, 20264.77%
Sep 2, 20264.79%
Sep 1, 20264.79%
Aug 31, 20264.75%

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.

View the publisher’s source and methodology ↗