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Contract OI history

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Oct 23, 2026 EXPIRATION

ZETA $38.00 Call

ZETA261023C00038000

Latest saved OI199Oct 23, 2026
Last change+4vs previous saved observation
Saved market days11Oct 05, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $38.00 call open interest history 11 saved observations from 2026-10-05 to 2026-10-23. Exact values and changes are listed in the table below. 199990 2026-10-05: 0 OI2026-10-06: 44 OI2026-10-07: 46 OI2026-10-08: 46 OI2026-10-09: 45 OI2026-10-13: 61 OI2026-10-14: 61 OI2026-10-15: 60 OI2026-10-16: 74 OI2026-10-21: 195 OI2026-10-23: 199 OI Oct 05, 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, 2026199+4
Oct 21, 2026Viewing195+121
Oct 16, 202674+14
Oct 15, 202660-1
Oct 14, 2026610
Oct 13, 202661+16
Oct 09, 202645-1
Oct 08, 2026460
Oct 07, 202646+2
Oct 06, 202644+44
Oct 05, 20260No prior observation