OITracker Cboe delayed data

Contract OI history

Back to KLAC

Dec 18, 2026 EXPIRATION

KLAC $140.00 Put

KLAC261218P00140000

Latest saved OI1,225Oct 23, 2026
Last change+119vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $140.00 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. 1,2256120 2026-10-09: 1,064 OI2026-10-13: 1,073 OI2026-10-14: 1,073 OI2026-10-15: 1,075 OI2026-10-16: 1,077 OI2026-10-21: 1,106 OI2026-10-23: 1,225 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, 2026Viewing1,225+119
Oct 21, 20261,106+29
Oct 16, 20261,077+2
Oct 15, 20261,075+2
Oct 14, 20261,0730
Oct 13, 20261,073+9
Oct 09, 20261,064No prior observation