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Contract OI history

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Jan 21, 2028 EXPIRATION

ZETA $50.00 Call

ZETA280121C00050000

Latest saved OI184Oct 23, 2026
Last change+1vs previous saved observation
Saved market days10Oct 06, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $50.00 call open interest history 10 saved observations from 2026-10-06 to 2026-10-23. Exact values and changes are listed in the table below. 184920 2026-10-06: 0 OI2026-10-07: 6 OI2026-10-08: 6 OI2026-10-09: 34 OI2026-10-13: 157 OI2026-10-14: 157 OI2026-10-15: 161 OI2026-10-16: 163 OI2026-10-21: 183 OI2026-10-23: 184 OI Oct 06, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ZETA contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing184+1
Oct 21, 2026183+20
Oct 16, 2026163+2
Oct 15, 2026161+4
Oct 14, 20261570
Oct 13, 2026157+123
Oct 09, 202634+28
Oct 08, 202660
Oct 07, 20266+6
Oct 06, 20260No prior observation