Contract OI history
Back to MOSJan 15, 2027 EXPIRATION
MOS $17.50 Put
MOS270115P00017500
Latest saved OI4,494Oct 23, 2026
Last change+93vs 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 | 4,494 | +93 |
| Oct 21, 2026Viewing | 4,401 | +226 |
| Oct 16, 2026 | 4,175 | +23 |
| Oct 15, 2026 | 4,152 | 0 |
| Oct 14, 2026 | 4,152 | -2 |
| Oct 13, 2026 | 4,154 | +86 |
| Oct 09, 2026 | 4,068 | +79 |
| Oct 08, 2026 | 3,989 | +25 |
| Oct 07, 2026 | 3,964 | 0 |
| Oct 06, 2026 | 3,964 | +3 |
| Oct 05, 2026 | 3,961 | 0 |
| Oct 02, 2026 | 3,961 | No prior observation |