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Contract OI history

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Jan 15, 2027 EXPIRATION

GKOS $240.00 Call

GKOS270115C00240000

Latest saved OI38Oct 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 $240.00 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. 38190 2026-10-02: 36 OI2026-10-05: 36 OI2026-10-06: 36 OI2026-10-08: 36 OI2026-10-09: 36 OI2026-10-13: 38 OI2026-10-14: 38 OI2026-10-16: 38 OI2026-10-20: 38 OI2026-10-23: 38 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, 2026Viewing380
Oct 20, 2026380
Oct 16, 2026380
Oct 14, 2026380
Oct 13, 202638+2
Oct 09, 2026360
Oct 08, 2026360
Oct 06, 2026360
Oct 05, 2026360
Oct 02, 202636No prior observation