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Contract OI history

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Oct 23, 2026 EXPIRATION

ZETA $33.50 Call

ZETA261023C00033500

Latest saved OI306Oct 23, 2026
Last change-20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $33.50 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. 3261630 2026-10-02: 43 OI2026-10-05: 54 OI2026-10-06: 63 OI2026-10-07: 138 OI2026-10-08: 138 OI2026-10-09: 109 OI2026-10-13: 118 OI2026-10-14: 118 OI2026-10-15: 172 OI2026-10-16: 175 OI2026-10-21: 326 OI2026-10-23: 306 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, 2026306-20
Oct 21, 2026Viewing326+151
Oct 16, 2026175+3
Oct 15, 2026172+54
Oct 14, 20261180
Oct 13, 2026118+9
Oct 09, 2026109-29
Oct 08, 20261380
Oct 07, 2026138+75
Oct 06, 202663+9
Oct 05, 202654+11
Oct 02, 202643No prior observation