Contract OI history
Back to ZETAJan 21, 2028 EXPIRATION
ZETA $15.00 Call
ZETA280121C00015000
Latest saved OI1,346Oct 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 | 1,346 | -12 |
| Oct 21, 2026Viewing | 1,358 | -17 |
| Oct 16, 2026 | 1,375 | -33 |
| Oct 15, 2026 | 1,408 | -2 |
| Oct 14, 2026 | 1,410 | 0 |
| Oct 13, 2026 | 1,410 | -7 |
| Oct 09, 2026 | 1,417 | -31 |
| Oct 08, 2026 | 1,448 | 0 |
| Oct 07, 2026 | 1,448 | -3 |
| Oct 06, 2026 | 1,451 | -53 |
| Oct 05, 2026 | 1,504 | -1 |
| Oct 02, 2026 | 1,505 | No prior observation |