OITracker Cboe delayed data

Contract OI history

Back to KLAC

Nov 20, 2026 EXPIRATION

KLAC $142.00 Put

KLAC261120P00142000

Latest saved OI535Oct 23, 2026
Last change+65vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $142.00 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. 5352670 2026-10-09: 469 OI2026-10-13: 469 OI2026-10-14: 469 OI2026-10-15: 469 OI2026-10-16: 469 OI2026-10-21: 470 OI2026-10-23: 535 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, 2026Viewing535+65
Oct 21, 2026470+1
Oct 16, 20264690
Oct 15, 20264690
Oct 14, 20264690
Oct 13, 20264690
Oct 09, 2026469No prior observation