Contract OI history
Back to ZSOct 30, 2026 EXPIRATION
ZS $190.00 Put
ZS261030P00190000
Latest saved OI623Oct 23, 2026
Last change+9vs 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, 2026Viewing | 623 | +9 |
| Oct 21, 2026 | 614 | +494 |
| Oct 16, 2026 | 120 | +10 |
| Oct 15, 2026 | 110 | +8 |
| Oct 14, 2026 | 102 | 0 |
| Oct 12, 2026 | 102 | -57 |
| Oct 09, 2026 | 159 | No prior observation |