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Contract OI history

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Jan 21, 2028 EXPIRATION

ZETA $25.00 Call

ZETA280121C00025000

Latest saved OI3,620Oct 23, 2026
Last change+132vs 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. 3,6201,8100 2026-10-02: 3,374 OI2026-10-05: 3,372 OI2026-10-06: 3,355 OI2026-10-07: 3,378 OI2026-10-08: 3,378 OI2026-10-09: 3,382 OI2026-10-13: 3,307 OI2026-10-14: 3,307 OI2026-10-15: 3,301 OI2026-10-16: 3,458 OI2026-10-21: 3,488 OI2026-10-23: 3,620 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, 20263,620+132
Oct 21, 2026Viewing3,488+30
Oct 16, 20263,458+157
Oct 15, 20263,301-6
Oct 14, 20263,3070
Oct 13, 20263,307-75
Oct 09, 20263,382+4
Oct 08, 20263,3780
Oct 07, 20263,378+23
Oct 06, 20263,355-17
Oct 05, 20263,372-2
Oct 02, 20263,374No prior observation