OITracker Cboe delayed data

Contract OI history

Back to GKOS

Nov 20, 2026 EXPIRATION

GKOS $180.00 Call

GKOS261120C00180000

Latest saved OI260Oct 23, 2026
Last change+26vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GKOS $180.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 2601300 2026-10-02: 228 OI2026-10-05: 228 OI2026-10-06: 228 OI2026-10-08: 204 OI2026-10-09: 234 OI2026-10-13: 234 OI2026-10-14: 234 OI2026-10-16: 234 OI2026-10-20: 234 OI2026-10-23: 260 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

GKOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing260+26
Oct 20, 20262340
Oct 16, 20262340
Oct 14, 20262340
Oct 13, 20262340
Oct 09, 2026234+30
Oct 08, 2026204-24
Oct 06, 20262280
Oct 05, 20262280
Oct 02, 2026228No prior observation