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Contract OI history

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Jan 15, 2027 EXPIRATION

KOS $4.00 Call

KOS270115C00004000

Latest saved OI37,735Oct 23, 2026
Last change+3vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $4.00 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. 37,73518,8670 2026-10-02: 37,734 OI2026-10-06: 37,735 OI2026-10-07: 37,735 OI2026-10-08: 37,735 OI2026-10-09: 37,735 OI2026-10-13: 37,734 OI2026-10-14: 37,611 OI2026-10-15: 37,611 OI2026-10-16: 37,611 OI2026-10-20: 37,732 OI2026-10-23: 37,735 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, 2026Viewing37,735+3
Oct 20, 202637,732+121
Oct 16, 202637,6110
Oct 15, 202637,6110
Oct 14, 202637,611-123
Oct 13, 202637,734-1
Oct 09, 202637,7350
Oct 08, 202637,7350
Oct 07, 202637,7350
Oct 06, 202637,735+1
Oct 02, 202637,734No prior observation