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Contract OI history

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Jan 15, 2027 EXPIRATION

KOS $4.50 Call

KOS270115C00004500

Latest saved OI748Oct 23, 2026
Last change-12vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $4.50 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. 7613800 2026-10-02: 761 OI2026-10-06: 761 OI2026-10-07: 761 OI2026-10-08: 760 OI2026-10-09: 760 OI2026-10-13: 760 OI2026-10-14: 760 OI2026-10-15: 760 OI2026-10-16: 760 OI2026-10-20: 760 OI2026-10-23: 748 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, 2026Viewing748-12
Oct 20, 20267600
Oct 16, 20267600
Oct 15, 20267600
Oct 14, 20267600
Oct 13, 20267600
Oct 09, 20267600
Oct 08, 2026760-1
Oct 07, 20267610
Oct 06, 20267610
Oct 02, 2026761No prior observation