OITracker Cboe delayed data

Contract OI history

Back to KLAC

Jan 15, 2027 EXPIRATION

KLAC $190.00 Put

KLAC270115P00190000

Latest saved OI1,867Oct 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 $190.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,8689340 2026-10-09: 1,838 OI2026-10-13: 1,867 OI2026-10-14: 1,867 OI2026-10-15: 1,867 OI2026-10-16: 1,868 OI2026-10-21: 1,867 OI2026-10-23: 1,867 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, 2026Viewing1,8670
Oct 21, 20261,867-1
Oct 16, 20261,868+1
Oct 15, 20261,8670
Oct 14, 20261,8670
Oct 13, 20261,867+29
Oct 09, 20261,838No prior observation