Contract OI history
Back to ABTDec 18, 2026 EXPIRATION
ABT $87.50 Put
ABT261218P00087500
Latest saved OI437Oct 23, 2026
Last change+3vs 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 | 437 | +3 |
| Oct 21, 2026 | 434 | +1 |
| Oct 16, 2026 | 433 | -1 |
| Oct 15, 2026 | 434 | +3 |
| Oct 14, 2026 | 431 | 0 |
| Oct 13, 2026 | 431 | +3 |
| Oct 09, 2026 | 428 | +3 |
| Oct 08, 2026 | 425 | 0 |
| Oct 07, 2026 | 425 | +3 |
| Oct 06, 2026 | 422 | 0 |
| Oct 05, 2026 | 422 | +3 |
| Oct 02, 2026 | 419 | No prior observation |