Contract OI history
Back to MOSJan 15, 2027 EXPIRATION
MOS $20.00 Put
MOS270115P00020000
Latest saved OI18,992Oct 23, 2026
Last change-4vs 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 | 18,992 | -4 |
| Oct 21, 2026Viewing | 18,996 | +29 |
| Oct 16, 2026 | 18,967 | 0 |
| Oct 15, 2026 | 18,967 | +2 |
| Oct 14, 2026 | 18,965 | 0 |
| Oct 13, 2026 | 18,965 | -4 |
| Oct 09, 2026 | 18,969 | -117 |
| Oct 08, 2026 | 19,086 | +320 |
| Oct 07, 2026 | 18,766 | 0 |
| Oct 06, 2026 | 18,766 | +221 |
| Oct 05, 2026 | 18,545 | -2 |
| Oct 02, 2026 | 18,547 | No prior observation |