Contract OI history
Back to MOSDec 18, 2026 EXPIRATION
MOS $17.50 Put
MOS261218P00017500
Latest saved OI1,939Oct 23, 2026
Last change+67vs 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, 2026 | 1,939 | +67 |
| Oct 21, 2026Viewing | 1,872 | +20 |
| Oct 16, 2026 | 1,852 | +2 |
| Oct 15, 2026 | 1,850 | -100 |
| Oct 14, 2026 | 1,950 | +28 |
| Oct 13, 2026 | 1,922 | +100 |
| Oct 09, 2026 | 1,822 | +144 |
| Oct 08, 2026 | 1,678 | +24 |
| Oct 07, 2026 | 1,654 | 0 |
| Oct 06, 2026 | 1,654 | +7 |
| Oct 05, 2026 | 1,647 | 0 |
| Oct 02, 2026 | 1,647 | No prior observation |