Contract OI history
Back to ZSOct 30, 2026 EXPIRATION
ZS $240.00 Put
ZS261030P00240000
Latest saved OI205Oct 23, 2026
Last change+192vs 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 | 205 | +192 |
| Oct 21, 2026Viewing | 13 | 0 |
| Oct 16, 2026 | 13 | 0 |
| Oct 15, 2026 | 13 | 0 |
| Oct 14, 2026 | 13 | +13 |
| Oct 12, 2026 | 0 | 0 |
| Oct 09, 2026 | 0 | No prior observation |