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Contract OI history

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Apr 16, 2027 EXPIRATION

KOS $3.00 Call

KOS270416C00003000

Latest saved OI1,329Oct 23, 2026
Last change+121vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $3.00 call open interest history 11 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,3296640 2026-10-02: 686 OI2026-10-06: 688 OI2026-10-07: 701 OI2026-10-08: 701 OI2026-10-09: 701 OI2026-10-13: 700 OI2026-10-14: 700 OI2026-10-15: 701 OI2026-10-16: 708 OI2026-10-20: 1,208 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.

KOS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,329+121
Oct 20, 20261,208+500
Oct 16, 2026708+7
Oct 15, 2026701+1
Oct 14, 20267000
Oct 13, 2026700-1
Oct 09, 20267010
Oct 08, 20267010
Oct 07, 2026701+13
Oct 06, 2026688+2
Oct 02, 2026686No prior observation