Contract OI history
Back to BANov 27, 2026 EXPIRATION
BA $215.00 Put
BA261127P00215000
Latest saved OI7Oct 23, 2026
Last change-25vs previous saved observation
Saved market days9Oct 07, 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 | 7 | -25 |
| Oct 21, 2026 | 32 | +1 |
| Oct 16, 2026 | 31 | +9 |
| Oct 15, 2026 | 22 | 0 |
| Oct 14, 2026 | 22 | 0 |
| Oct 13, 2026 | 22 | 0 |
| Oct 09, 2026 | 22 | +22 |
| Oct 08, 2026 | 0 | 0 |
| Oct 07, 2026 | 0 | No prior observation |