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Contract OI history

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Dec 18, 2026 EXPIRATION

ZETA $20.00 Call

ZETA261218C00020000

Latest saved OI681Oct 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 $20.00 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. 6823410 2026-10-02: 678 OI2026-10-05: 678 OI2026-10-06: 678 OI2026-10-07: 678 OI2026-10-08: 678 OI2026-10-09: 678 OI2026-10-13: 678 OI2026-10-14: 678 OI2026-10-15: 678 OI2026-10-16: 677 OI2026-10-21: 682 OI2026-10-23: 681 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, 2026681-1
Oct 21, 2026Viewing682+5
Oct 16, 2026677-1
Oct 15, 20266780
Oct 14, 20266780
Oct 13, 20266780
Oct 09, 20266780
Oct 08, 20266780
Oct 07, 20266780
Oct 06, 20266780
Oct 05, 20266780
Oct 02, 2026678No prior observation