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Contract OI history

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Nov 20, 2026 EXPIRATION

GKOS $140.00 Put

GKOS261120P00140000

Latest saved OI96Oct 23, 2026
Last change-4vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
GKOS $140.00 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. 100500 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 0 OI2026-10-08: 0 OI2026-10-09: 7 OI2026-10-13: 100 OI2026-10-14: 100 OI2026-10-16: 100 OI2026-10-20: 100 OI2026-10-23: 96 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, 2026Viewing96-4
Oct 20, 20261000
Oct 16, 20261000
Oct 14, 20261000
Oct 13, 2026100+93
Oct 09, 20267+7
Oct 08, 202600
Oct 06, 202600
Oct 05, 202600
Oct 02, 20260No prior observation