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Contract OI history

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Jan 21, 2028 EXPIRATION

KOS $5.50 Call

KOS280121C00005500

Latest saved OI923Oct 23, 2026
Last change+200vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $5.50 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. 9234610 2026-10-02: 690 OI2026-10-06: 723 OI2026-10-07: 730 OI2026-10-08: 723 OI2026-10-09: 723 OI2026-10-13: 723 OI2026-10-14: 723 OI2026-10-15: 723 OI2026-10-16: 723 OI2026-10-20: 723 OI2026-10-23: 923 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, 2026Viewing923+200
Oct 20, 20267230
Oct 16, 20267230
Oct 15, 20267230
Oct 14, 20267230
Oct 13, 20267230
Oct 09, 20267230
Oct 08, 2026723-7
Oct 07, 2026730+7
Oct 06, 2026723+33
Oct 02, 2026690No prior observation