^IRX

Index Interest rates

13-week Treasury bill yield

Treasury yield benchmark, reported directly in percent; this is not a bond price or total-return index.

4.057%
+1.4 bps today

History

Sep 9, 2026 L: 3.805%   H: 4.070% Oct 9, 2026
Yield chart data
DateYield
Sep 9, 20263.81
Sep 10, 20263.85
Sep 11, 20263.91
Sep 14, 20263.93
Sep 15, 20263.96
Sep 16, 20263.97
Sep 17, 20263.96
Sep 18, 20263.98
Sep 21, 20263.98
Sep 22, 20264.01
Sep 23, 20264.03
Sep 24, 20264.07
Sep 25, 20264.07
Sep 28, 20264.06
Sep 29, 20264.07
Sep 30, 20264.03
Oct 1, 20263.98
Oct 2, 20263.99
Oct 5, 20264.02
Oct 6, 20264.04
Oct 7, 20264.04
Oct 8, 20264.04
Oct 9, 20264.06

Key Stats

Previous close
4.043%
Type
Interest rates
Unit
Percent yield
Data
Benchmark