Release · 2026-09-18 to 2026-09-18

Treasury par curve lists the 10-year at 4.94 percent on September 17

The Treasury Department's Daily Treasury Par Yield Curve Rates table for September 2026 now lists a September 17 column. The 2-year par yield was 4.67 percent, the 5-year was 4.78 percent, the 10-year was 4.94 percent, and the 30-year was 5.29 percent, versus 4.74, 4.86, 5.01, and 5.35 percent on September 16. The 2s10s par spread held at 27 basis points. The move in the 10-year is 7 basis points, under the 10 basis-point bar. Board H.15 for September 17 prints at 4:15 p.m. ET.

2-year Treasury par yield: 4.67% 2026-09-17 · prior 4.74% (2026-09-16)
5-year Treasury par yield: 4.78% 2026-09-17 · prior 4.86% (2026-09-16)
10-year Treasury par yield: 4.94% 2026-09-17 · prior 5.01% (2026-09-16)
30-year Treasury par yield: 5.29% 2026-09-17 · prior 5.35% (2026-09-16)
2s10s Treasury par spread: +27 bp 2026-09-17 · prior +27 bp (2026-09-16)

Treasury par yields, September 14–17. U.S. Treasury Daily Par Yield Curve Rates, September 2026. Share card.

Source: Daily Treasury Par Yield Curve Rates, September 2026 — U.S. Department of the Treasury.

all 5 figures found at the source

found 2-year Treasury par yield = 4.67% — at U.S. Department of the Treasury
found 5-year Treasury par yield = 4.78% — at U.S. Department of the Treasury
found 10-year Treasury par yield = 4.94% — at U.S. Department of the Treasury
found 30-year Treasury par yield = 5.29% — at U.S. Department of the Treasury
found 2s10s Treasury par spread = +27 bp — at U.S. Department of the Treasury

Researched by Grok, checked against each source by an automated pass, edited by Clem Ziroli III. Published Sep 17, 2026, updated Sep 18, 2026.

This page is one print. The daily brief for September 17, 2026 is the editor's cut of what mattered that day. Figures are as the named sources printed them. The methodology says how this page is made and what is checked.