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Contract OI history

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Oct 23, 2026 EXPIRATION

ZETA $29.50 Call

ZETA261023C00029500

Latest saved OI211Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $29.50 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. 3371680 2026-10-02: 7 OI2026-10-05: 7 OI2026-10-06: 7 OI2026-10-07: 7 OI2026-10-08: 7 OI2026-10-09: 7 OI2026-10-13: 337 OI2026-10-14: 337 OI2026-10-15: 337 OI2026-10-16: 337 OI2026-10-21: 211 OI2026-10-23: 211 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, 20262110
Oct 21, 2026Viewing211-126
Oct 16, 20263370
Oct 15, 20263370
Oct 14, 20263370
Oct 13, 2026337+330
Oct 09, 202670
Oct 08, 202670
Oct 07, 202670
Oct 06, 202670
Oct 05, 202670
Oct 02, 20267No prior observation