Contract OI history
Back to BAJan 15, 2027 EXPIRATION
BA $155.00 Put
BA270115P00155000
Latest saved OI3,571Oct 23, 2026
Last change-2vs 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 | 3,571 | -2 |
| Oct 21, 2026 | 3,573 | +11 |
| Oct 16, 2026 | 3,562 | 0 |
| Oct 15, 2026 | 3,562 | +101 |
| Oct 14, 2026 | 3,461 | 0 |
| Oct 13, 2026 | 3,461 | +92 |
| Oct 09, 2026 | 3,369 | +136 |
| Oct 08, 2026 | 3,233 | 0 |
| Oct 07, 2026 | 3,233 | +181 |
| Oct 06, 2026 | 3,052 | +186 |
| Oct 05, 2026 | 2,866 | +11 |
| Oct 02, 2026 | 2,855 | No prior observation |