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Contract OI history

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Jan 21, 2028 EXPIRATION

KOS $2.00 Put

KOS280121P00002000

Latest saved OI3,290Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $2.00 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. 3,3491,6740 2026-10-02: 3,349 OI2026-10-06: 3,349 OI2026-10-07: 3,349 OI2026-10-08: 3,349 OI2026-10-09: 3,349 OI2026-10-13: 3,349 OI2026-10-14: 3,289 OI2026-10-15: 3,289 OI2026-10-16: 3,289 OI2026-10-20: 3,290 OI2026-10-23: 3,290 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, 2026Viewing3,2900
Oct 20, 20263,290+1
Oct 16, 20263,2890
Oct 15, 20263,2890
Oct 14, 20263,289-60
Oct 13, 20263,3490
Oct 09, 20263,3490
Oct 08, 20263,3490
Oct 07, 20263,3490
Oct 06, 20263,3490
Oct 02, 20263,349No prior observation