Contract OI history
Back to MOSDec 18, 2026 EXPIRATION
MOS $22.50 Put
MOS261218P00022500
Latest saved OI4,032Oct 23, 2026
Last change-8vs 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 | 4,032 | -8 |
| Oct 21, 2026 | 4,040 | +2 |
| Oct 16, 2026 | 4,038 | -1 |
| Oct 15, 2026 | 4,039 | +6 |
| Oct 14, 2026 | 4,033 | 0 |
| Oct 13, 2026 | 4,033 | 0 |
| Oct 09, 2026 | 4,033 | -17 |
| Oct 08, 2026 | 4,050 | -1 |
| Oct 07, 2026 | 4,051 | 0 |
| Oct 06, 2026 | 4,051 | 0 |
| Oct 05, 2026 | 4,051 | +11 |
| Oct 02, 2026 | 4,040 | No prior observation |