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Contract OI history

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Jan 21, 2028 EXPIRATION

KOS $1000.00 Call

KOS280121C00001000

Latest saved OI12,012Oct 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 $1000.00 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. 12,0126,0060 2026-10-02: 11,904 OI2026-10-06: 11,906 OI2026-10-07: 11,906 OI2026-10-08: 11,936 OI2026-10-09: 11,936 OI2026-10-13: 11,970 OI2026-10-14: 11,970 OI2026-10-15: 11,970 OI2026-10-16: 12,000 OI2026-10-20: 12,000 OI2026-10-23: 12,012 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, 2026Viewing12,012+12
Oct 20, 202612,0000
Oct 16, 202612,000+30
Oct 15, 202611,9700
Oct 14, 202611,9700
Oct 13, 202611,970+34
Oct 09, 202611,9360
Oct 08, 202611,936+30
Oct 07, 202611,9060
Oct 06, 202611,906+2
Oct 02, 202611,904No prior observation