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Contract OI history

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Apr 16, 2027 EXPIRATION

KOS $4.50 Call

KOS270416C00004500

Latest saved OI34Oct 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 $4.50 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. 34170 2026-10-02: 1 OI2026-10-06: 1 OI2026-10-07: 3 OI2026-10-08: 4 OI2026-10-09: 4 OI2026-10-13: 5 OI2026-10-14: 5 OI2026-10-15: 27 OI2026-10-16: 31 OI2026-10-20: 31 OI2026-10-23: 34 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, 2026Viewing34+3
Oct 20, 2026310
Oct 16, 202631+4
Oct 15, 202627+22
Oct 14, 202650
Oct 13, 20265+1
Oct 09, 202640
Oct 08, 20264+1
Oct 07, 20263+2
Oct 06, 202610
Oct 02, 20261No prior observation