OITracker Cboe delayed data

Contract OI history

Back to KOS

Nov 20, 2026 EXPIRATION

KOS $2.50 Call

KOS261120C00002500

Latest saved OI731Oct 23, 2026
Last change+94vs previous saved observation
Saved market days11Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
KOS $2.50 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. 7313650 2026-10-02: 324 OI2026-10-06: 495 OI2026-10-07: 499 OI2026-10-08: 503 OI2026-10-09: 503 OI2026-10-13: 527 OI2026-10-14: 605 OI2026-10-15: 610 OI2026-10-16: 610 OI2026-10-20: 637 OI2026-10-23: 731 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, 2026Viewing731+94
Oct 20, 2026637+27
Oct 16, 20266100
Oct 15, 2026610+5
Oct 14, 2026605+78
Oct 13, 2026527+24
Oct 09, 20265030
Oct 08, 2026503+4
Oct 07, 2026499+4
Oct 06, 2026495+171
Oct 02, 2026324No prior observation