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Contract OI history

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Oct 23, 2026 EXPIRATION

ZETA $34.50 Call

ZETA261023C00034500

Latest saved OI807Oct 23, 2026
Last change+93vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $34.50 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 8074030 2026-10-02: 14 OI2026-10-05: 28 OI2026-10-06: 38 OI2026-10-07: 38 OI2026-10-08: 38 OI2026-10-09: 38 OI2026-10-13: 192 OI2026-10-14: 192 OI2026-10-15: 191 OI2026-10-16: 219 OI2026-10-21: 714 OI2026-10-23: 807 OI Oct 02, 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, 2026807+93
Oct 21, 2026Viewing714+495
Oct 16, 2026219+28
Oct 15, 2026191-1
Oct 14, 20261920
Oct 13, 2026192+154
Oct 09, 2026380
Oct 08, 2026380
Oct 07, 2026380
Oct 06, 202638+10
Oct 05, 202628+14
Oct 02, 202614No prior observation