OITracker Cboe delayed data

Contract OI history

Back to ZETA

Mar 19, 2027 EXPIRATION

ZETA $40.00 Call

ZETA270319C00040000

Latest saved OI3,557Oct 23, 2026
Last change-5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $40.00 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. 3,5621,7810 2026-10-02: 990 OI2026-10-05: 990 OI2026-10-06: 1,005 OI2026-10-07: 1,584 OI2026-10-08: 1,584 OI2026-10-09: 3,512 OI2026-10-13: 3,552 OI2026-10-14: 3,552 OI2026-10-15: 3,557 OI2026-10-16: 3,555 OI2026-10-21: 3,562 OI2026-10-23: 3,557 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, 20263,557-5
Oct 21, 2026Viewing3,562+7
Oct 16, 20263,555-2
Oct 15, 20263,557+5
Oct 14, 20263,5520
Oct 13, 20263,552+40
Oct 09, 20263,512+1,928
Oct 08, 20261,5840
Oct 07, 20261,584+579
Oct 06, 20261,005+15
Oct 05, 20269900
Oct 02, 2026990No prior observation