OITracker Cboe delayed data

Contract OI history

Back to ZETA

Jan 21, 2028 EXPIRATION

ZETA $12.50 Call

ZETA280121C00012500

Latest saved OI390Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ZETA $12.50 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. 4002000 2026-10-02: 400 OI2026-10-05: 400 OI2026-10-06: 400 OI2026-10-07: 390 OI2026-10-08: 390 OI2026-10-09: 390 OI2026-10-13: 390 OI2026-10-14: 390 OI2026-10-15: 390 OI2026-10-16: 390 OI2026-10-21: 390 OI2026-10-23: 390 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, 20263900
Oct 21, 2026Viewing3900
Oct 16, 20263900
Oct 15, 20263900
Oct 14, 20263900
Oct 13, 20263900
Oct 09, 20263900
Oct 08, 20263900
Oct 07, 2026390-10
Oct 06, 20264000
Oct 05, 20264000
Oct 02, 2026400No prior observation