OITracker Cboe delayed data

Contract OI history

Back to GKOS

Nov 20, 2026 EXPIRATION

GKOS $160.00 Put

GKOS261120P00160000

Latest saved OI398Oct 23, 2026
Last change-1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GKOS $160.00 put open interest history 10 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 3991990 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-08: 112 OI2026-10-09: 112 OI2026-10-13: 399 OI2026-10-14: 399 OI2026-10-16: 399 OI2026-10-20: 399 OI2026-10-23: 398 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, 2026Viewing398-1
Oct 20, 20263990
Oct 16, 20263990
Oct 14, 20263990
Oct 13, 2026399+287
Oct 09, 20261120
Oct 08, 2026112+111
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation