The 1 Mo Treasury yield is 3.78% as of July 31, 2026, down 1 bps on the day. Over the past 52 weeks, the 1 Mo yield has ranged from 3.65% to 4.49%. The 1-month bill tracks the shortest end of the Treasury curve and moves closely with the federal funds rate.
| ΔD(bps) | ΔW(bps) | ΔM(bps) | ΔQ(bps) | ΔY(bps) |
|---|---|---|---|---|
| -1 | -2 | +11 | +6 | -63 |
Current yield is at the 62th percentile of its 52-week range.