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Contract OI history

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Nov 20, 2026 EXPIRATION

KOS $3.00 Put

KOS261120P00003000

Latest saved OI1,664Oct 23, 2026
Last change+532vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $3.00 put open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,6648320 2026-10-02: 499 OI2026-10-06: 587 OI2026-10-07: 594 OI2026-10-08: 599 OI2026-10-09: 599 OI2026-10-13: 599 OI2026-10-14: 649 OI2026-10-15: 1,149 OI2026-10-16: 1,154 OI2026-10-20: 1,132 OI2026-10-23: 1,664 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

KOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,664+532
Oct 20, 20261,132-22
Oct 16, 20261,154+5
Oct 15, 20261,149+500
Oct 14, 2026649+50
Oct 13, 20265990
Oct 09, 20265990
Oct 08, 2026599+5
Oct 07, 2026594+7
Oct 06, 2026587+88
Oct 02, 2026499No prior observation