OITracker Cboe delayed data

Contract OI history

Back to KLAC

Jun 17, 2027 EXPIRATION

KLAC $190.00 Call

KLAC270617C00190000

Latest saved OI279Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $190.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 2791390 2026-10-09: 178 OI2026-10-13: 185 OI2026-10-14: 185 OI2026-10-15: 186 OI2026-10-16: 187 OI2026-10-21: 271 OI2026-10-23: 279 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

KLAC contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing279+8
Oct 21, 2026271+84
Oct 16, 2026187+1
Oct 15, 2026186+1
Oct 14, 20261850
Oct 13, 2026185+7
Oct 09, 2026178No prior observation