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Contract OI history

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Dec 18, 2026 EXPIRATION

GKOS $200.00 Call

GKOS261218C00200000

Latest saved OI609Oct 23, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GKOS $200.00 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. 6093040 2026-10-02: 607 OI2026-10-05: 607 OI2026-10-06: 607 OI2026-10-08: 607 OI2026-10-09: 607 OI2026-10-13: 609 OI2026-10-14: 609 OI2026-10-16: 609 OI2026-10-20: 609 OI2026-10-23: 609 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, 2026Viewing6090
Oct 20, 20266090
Oct 16, 20266090
Oct 14, 20266090
Oct 13, 2026609+2
Oct 09, 20266070
Oct 08, 20266070
Oct 06, 20266070
Oct 05, 20266070
Oct 02, 2026607No prior observation