Historical Year Data · 2026
6-Month Bill Auction High Yield in 2026
6-Month Bill Auction High Yield opened 2026 at 3.59% and closed at 4.31%, a +20.30% move for the year. The high of 4.44% was reached on September 28, and the low of 3.59% on January 5.
Open
3.59%
2026-01
Close
4.31%
40 data points
High
4.44%
Sep 28
Low
3.59%
Jan 5
Full Year Change
+20.30%
2025 Change
-15.13%
Monthly Breakdown
| Month | Open | Close | High | Low | Change |
|---|---|---|---|---|---|
| Jan | 3.59% | 3.64% | 3.64% | 3.59% | +1.48% |
| Feb | 3.64% | 3.64% | 3.64% | 3.61% | +0.00% |
| Mar | 3.65% | 3.72% | 3.75% | 3.65% | +2.03% |
| Apr | 3.73% | 3.71% | 3.73% | 3.71% | -0.70% |
| May | 3.73% | 3.77% | 3.77% | 3.73% | +1.15% |
| Jun | 3.79% | 3.97% | 3.97% | 3.79% | +4.86% |
| Jul | 3.96% | 4.08% | 4.08% | 3.96% | +3.06% |
| Aug | 3.99% | 4.02% | 4.02% | 3.91% | +0.80% |
| Sep | 4.02% | 4.44% | 4.44% | 4.02% | +10.39% |
| Oct | 4.31% | 4.31% | 4.31% | 4.31% | +0.00% |
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