The 1 Mo Treasury yield is 3.94% as of September 14, 2026, up 1 bps on the day. Over the past 52 weeks, the 1 Mo yield has ranged from 3.65% to 4.24%. 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 | +15 | +15 | +25 | -28 |
Current yield is at the 78th percentile of its 52-week range.