OITracker Cboe delayed data

Contract OI history

Back to KOS

Jan 15, 2027 EXPIRATION

KOS $1.50 Call

KOS270115C00001500

Latest saved OI4,949Oct 23, 2026
Last change0vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $1.50 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. 4,9992,4990 2026-10-02: 4,765 OI2026-10-06: 4,765 OI2026-10-07: 4,770 OI2026-10-08: 4,769 OI2026-10-09: 4,769 OI2026-10-13: 4,999 OI2026-10-14: 4,999 OI2026-10-15: 4,999 OI2026-10-16: 4,949 OI2026-10-20: 4,949 OI2026-10-23: 4,949 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, 2026Viewing4,9490
Oct 20, 20264,9490
Oct 16, 20264,949-50
Oct 15, 20264,9990
Oct 14, 20264,9990
Oct 13, 20264,999+230
Oct 09, 20264,7690
Oct 08, 20264,769-1
Oct 07, 20264,770+5
Oct 06, 20264,7650
Oct 02, 20264,765No prior observation