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Contract OI history

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Jan 21, 2028 EXPIRATION

KOS $5.00 Call

KOS280121C00005000

Latest saved OI2,649Oct 23, 2026
Last change-43vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $5.00 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. 2,8661,4330 2026-10-02: 2,860 OI2026-10-06: 2,866 OI2026-10-07: 2,866 OI2026-10-08: 2,847 OI2026-10-09: 2,847 OI2026-10-13: 2,847 OI2026-10-14: 2,847 OI2026-10-15: 2,692 OI2026-10-16: 2,692 OI2026-10-20: 2,692 OI2026-10-23: 2,649 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, 2026Viewing2,649-43
Oct 20, 20262,6920
Oct 16, 20262,6920
Oct 15, 20262,692-155
Oct 14, 20262,8470
Oct 13, 20262,8470
Oct 09, 20262,8470
Oct 08, 20262,847-19
Oct 07, 20262,8660
Oct 06, 20262,866+6
Oct 02, 20262,860No prior observation