OITracker Cboe delayed data

Contract OI history

Back to KLAC

Oct 30, 2026 EXPIRATION

KLAC $172.50 Put

KLAC261030P00172500

Latest saved OI34Oct 23, 2026
Last change-10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $172.50 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. 44220 2026-10-09: 0 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-15: 1 OI2026-10-16: 24 OI2026-10-21: 44 OI2026-10-23: 34 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, 2026Viewing34-10
Oct 21, 202644+20
Oct 16, 202624+23
Oct 15, 202610
Oct 14, 202610
Oct 13, 20261+1
Oct 09, 20260No prior observation