Contract OI history
Back to ZSNov 20, 2026 EXPIRATION
ZS $165.00 Put
ZS261120P00165000
Latest saved OI513Oct 23, 2026
Last change+39vs 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 | 513 | +39 |
| Oct 21, 2026Viewing | 474 | -13 |
| Oct 16, 2026 | 487 | 0 |
| Oct 15, 2026 | 487 | 0 |
| Oct 14, 2026 | 487 | +2 |
| Oct 12, 2026 | 485 | -21 |
| Oct 09, 2026 | 506 | No prior observation |