OITracker Cboe delayed data

Contract OI history

Back to KLAC

Oct 23, 2026 EXPIRATION

KLAC $145.00 Put

KLAC261023P00145000

Latest saved OI283Oct 23, 2026
Last change+29vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $145.00 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. 2831410 2026-10-09: 113 OI2026-10-13: 120 OI2026-10-14: 120 OI2026-10-15: 121 OI2026-10-16: 124 OI2026-10-21: 254 OI2026-10-23: 283 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, 2026Viewing283+29
Oct 21, 2026254+130
Oct 16, 2026124+3
Oct 15, 2026121+1
Oct 14, 20261200
Oct 13, 2026120+7
Oct 09, 2026113No prior observation