OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

ZETA $15.00 Call

ZETA270115C00015000

Latest saved OI4,300Oct 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 $15.00 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. 4,3182,1590 2026-10-02: 4,318 OI2026-10-05: 4,318 OI2026-10-06: 4,318 OI2026-10-07: 4,318 OI2026-10-08: 4,318 OI2026-10-09: 4,313 OI2026-10-13: 4,313 OI2026-10-14: 4,313 OI2026-10-15: 4,313 OI2026-10-16: 4,313 OI2026-10-21: 4,301 OI2026-10-23: 4,300 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, 20264,300-1
Oct 21, 2026Viewing4,301-12
Oct 16, 20264,3130
Oct 15, 20264,3130
Oct 14, 20264,3130
Oct 13, 20264,3130
Oct 09, 20264,313-5
Oct 08, 20264,3180
Oct 07, 20264,3180
Oct 06, 20264,3180
Oct 05, 20264,3180
Oct 02, 20264,318No prior observation