Contract OI history
Back to BAJan 21, 2028 EXPIRATION
BA $180.00 Put
BA280121P00180000
Latest saved OI1,453Oct 23, 2026
Last change-11vs 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 | 1,453 | -11 |
| Oct 21, 2026 | 1,464 | -6 |
| Oct 16, 2026 | 1,470 | -10 |
| Oct 15, 2026 | 1,480 | +10 |
| Oct 14, 2026 | 1,470 | 0 |
| Oct 13, 2026 | 1,470 | +25 |
| Oct 09, 2026 | 1,445 | 0 |
| Oct 08, 2026 | 1,445 | 0 |
| Oct 07, 2026 | 1,445 | 0 |
| Oct 06, 2026 | 1,445 | +211 |
| Oct 05, 2026 | 1,234 | +2 |
| Oct 02, 2026 | 1,232 | No prior observation |