OITracker Cboe delayed data

Contract OI history

Back to GKOS

Nov 20, 2026 EXPIRATION

GKOS $150.00 Put

GKOS261120P00150000

Latest saved OI894Oct 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 $150.00 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. 8944470 2026-10-02: 559 OI2026-10-05: 784 OI2026-10-06: 839 OI2026-10-08: 369 OI2026-10-09: 893 OI2026-10-13: 893 OI2026-10-14: 893 OI2026-10-16: 893 OI2026-10-20: 893 OI2026-10-23: 894 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, 2026Viewing894+1
Oct 20, 20268930
Oct 16, 20268930
Oct 14, 20268930
Oct 13, 20268930
Oct 09, 2026893+524
Oct 08, 2026369-470
Oct 06, 2026839+55
Oct 05, 2026784+225
Oct 02, 2026559No prior observation