OITracker Cboe delayed data

Contract OI history

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Jan 21, 2028 EXPIRATION

ZETA $30.00 Call

ZETA280121C00030000

Latest saved OI4,318Oct 23, 2026
Last change-56vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $30.00 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. 4,4992,2490 2026-10-02: 4,475 OI2026-10-05: 4,474 OI2026-10-06: 4,491 OI2026-10-07: 4,499 OI2026-10-08: 4,499 OI2026-10-09: 4,394 OI2026-10-13: 4,400 OI2026-10-14: 4,400 OI2026-10-15: 4,360 OI2026-10-16: 4,353 OI2026-10-21: 4,374 OI2026-10-23: 4,318 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, 20264,318-56
Oct 21, 2026Viewing4,374+21
Oct 16, 20264,353-7
Oct 15, 20264,360-40
Oct 14, 20264,4000
Oct 13, 20264,400+6
Oct 09, 20264,394-105
Oct 08, 20264,4990
Oct 07, 20264,499+8
Oct 06, 20264,491+17
Oct 05, 20264,474-1
Oct 02, 20264,475No prior observation