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Contract OI history

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Oct 30, 2026 EXPIRATION

ZETA $33.50 Call

ZETA261030C00033500

Latest saved OI449Oct 23, 2026
Last change-1vs 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. 4502250 2026-10-02: 23 OI2026-10-05: 48 OI2026-10-06: 55 OI2026-10-07: 58 OI2026-10-08: 58 OI2026-10-09: 57 OI2026-10-13: 52 OI2026-10-14: 52 OI2026-10-15: 89 OI2026-10-16: 89 OI2026-10-21: 450 OI2026-10-23: 449 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, 2026449-1
Oct 21, 2026Viewing450+361
Oct 16, 2026890
Oct 15, 202689+37
Oct 14, 2026520
Oct 13, 202652-5
Oct 09, 202657-1
Oct 08, 2026580
Oct 07, 202658+3
Oct 06, 202655+7
Oct 05, 202648+25
Oct 02, 202623No prior observation