OITracker Cboe delayed data

Contract OI history

Back to KLAC

Sep 17, 2027 EXPIRATION

KLAC $290.00 Call

KLAC270917C00290000

Latest saved OI356Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $290.00 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. 3561780 2026-10-09: 316 OI2026-10-13: 316 OI2026-10-14: 316 OI2026-10-15: 316 OI2026-10-16: 310 OI2026-10-21: 356 OI2026-10-23: 356 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, 2026Viewing3560
Oct 21, 2026356+46
Oct 16, 2026310-6
Oct 15, 20263160
Oct 14, 20263160
Oct 13, 20263160
Oct 09, 2026316No prior observation