Historical Year Data · 2026
AA Corporate OAS in 2026
AA Corporate OAS opened 2026 at 49 bps and closed at 59 bps, a +20.41% move for the year. The high of 61 bps was reached on July 28, and the low of 44 bps on January 22.
Open
49 bps
2026-01
Close
59 bps
173 data points
High
61 bps
Jul 28
Low
44 bps
Jan 22
Full Year Change
+20.41%
2025 Change
+2.08%
Monthly Breakdown
| Month | Open | Close | High | Low | Change |
|---|---|---|---|---|---|
| Jan | 49 bps | 46 bps | 49 bps | 44 bps | -6.12% |
| Feb | 45 bps | 55 bps | 55 bps | 45 bps | +22.22% |
| Mar | 53 bps | 56 bps | 60 bps | 51 bps | +5.66% |
| Apr | 54 bps | 52 bps | 54 bps | 49 bps | -3.70% |
| May | 52 bps | 47 bps | 52 bps | 45 bps | -9.62% |
| Jun | 47 bps | 52 bps | 53 bps | 47 bps | +10.64% |
| Jul | 52 bps | 58 bps | 61 bps | 51 bps | +11.54% |
| Aug | 57 bps | 59 bps | 61 bps | 56 bps | +3.51% |
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