Contract OI history
Back to BANov 20, 2026 EXPIRATION
BA $170.00 Put
BA261120P00170000
Latest saved OI3,190Oct 23, 2026
Last change-13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 3,190 | -13 |
| Oct 21, 2026 | 3,203 | +164 |
| Oct 16, 2026 | 3,039 | +215 |
| Oct 15, 2026 | 2,824 | +5 |
| Oct 14, 2026 | 2,819 | 0 |
| Oct 13, 2026 | 2,819 | +40 |
| Oct 09, 2026 | 2,779 | +41 |
| Oct 08, 2026 | 2,738 | 0 |
| Oct 07, 2026 | 2,738 | +11 |
| Oct 06, 2026 | 2,727 | +333 |
| Oct 05, 2026 | 2,394 | +19 |
| Oct 02, 2026 | 2,375 | No prior observation |