Contract OI history
Back to ZSFeb 19, 2027 EXPIRATION
ZS $190.00 Put
ZS270219P00190000
Latest saved OI368Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 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 | 368 | +10 |
| Oct 21, 2026Viewing | 358 | -1 |
| Oct 16, 2026 | 359 | 0 |
| Oct 15, 2026 | 359 | +2 |
| Oct 14, 2026 | 357 | +138 |
| Oct 12, 2026 | 219 | 0 |
| Oct 09, 2026 | 219 | No prior observation |