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Contract OI history

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Mar 19, 2027 EXPIRATION

ZETA $25.00 Call

ZETA270319C00025000

Latest saved OI819Oct 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 $25.00 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. 8394190 2026-10-02: 821 OI2026-10-05: 825 OI2026-10-06: 823 OI2026-10-07: 833 OI2026-10-08: 833 OI2026-10-09: 833 OI2026-10-13: 835 OI2026-10-14: 835 OI2026-10-15: 834 OI2026-10-16: 834 OI2026-10-21: 839 OI2026-10-23: 819 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, 2026819-20
Oct 21, 2026Viewing839+5
Oct 16, 20268340
Oct 15, 2026834-1
Oct 14, 20268350
Oct 13, 2026835+2
Oct 09, 20268330
Oct 08, 20268330
Oct 07, 2026833+10
Oct 06, 2026823-2
Oct 05, 2026825+4
Oct 02, 2026821No prior observation