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Contract OI history

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Nov 20, 2026 EXPIRATION

GKOS $165.00 Put

GKOS261120P00165000

Latest saved OI1,329Oct 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 $165.00 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. 1,3296640 2026-10-02: 1 OI2026-10-05: 1 OI2026-10-06: 1 OI2026-10-08: 1,111 OI2026-10-09: 1,329 OI2026-10-13: 1,329 OI2026-10-14: 1,329 OI2026-10-16: 1,329 OI2026-10-20: 1,329 OI2026-10-23: 1,329 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, 2026Viewing1,3290
Oct 20, 20261,3290
Oct 16, 20261,3290
Oct 14, 20261,3290
Oct 13, 20261,3290
Oct 09, 20261,329+218
Oct 08, 20261,111+1,110
Oct 06, 202610
Oct 05, 202610
Oct 02, 20261No prior observation