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Contract OI history

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Jan 15, 2027 EXPIRATION

KOS $3.50 Call

KOS270115C00003500

Latest saved OI5,253Oct 23, 2026
Last change+35vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $3.50 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. 5,2532,6260 2026-10-02: 5,099 OI2026-10-06: 5,105 OI2026-10-07: 5,105 OI2026-10-08: 5,143 OI2026-10-09: 5,143 OI2026-10-13: 5,226 OI2026-10-14: 5,225 OI2026-10-15: 5,223 OI2026-10-16: 5,223 OI2026-10-20: 5,218 OI2026-10-23: 5,253 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, 2026Viewing5,253+35
Oct 20, 20265,218-5
Oct 16, 20265,2230
Oct 15, 20265,223-2
Oct 14, 20265,225-1
Oct 13, 20265,226+83
Oct 09, 20265,1430
Oct 08, 20265,143+38
Oct 07, 20265,1050
Oct 06, 20265,105+6
Oct 02, 20265,099No prior observation