Contract OI history
Back to ZETADec 18, 2026 EXPIRATION
ZETA $15.00 Put
ZETA261218P00015000
Latest saved OI3,361Oct 23, 2026
Last change-12vs 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 | 3,361 | -12 |
| Oct 21, 2026Viewing | 3,373 | -1 |
| Oct 16, 2026 | 3,374 | -3 |
| Oct 15, 2026 | 3,377 | 0 |
| Oct 14, 2026 | 3,377 | 0 |
| Oct 13, 2026 | 3,377 | -1 |
| Oct 09, 2026 | 3,378 | 0 |
| Oct 08, 2026 | 3,378 | 0 |
| Oct 07, 2026 | 3,378 | -66 |
| Oct 06, 2026 | 3,444 | -34 |
| Oct 05, 2026 | 3,478 | 0 |
| Oct 02, 2026 | 3,478 | No prior observation |