OITracker Cboe delayed data

Contract OI history

Back to KLAC

Dec 18, 2026 EXPIRATION

KLAC $154.00 Put

KLAC261218P00154000

Latest saved OI1,562Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $154.00 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. 1,5627810 2026-10-09: 1,516 OI2026-10-13: 1,559 OI2026-10-14: 1,559 OI2026-10-15: 1,559 OI2026-10-16: 1,559 OI2026-10-21: 1,561 OI2026-10-23: 1,562 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, 2026Viewing1,562+1
Oct 21, 20261,561+2
Oct 16, 20261,5590
Oct 15, 20261,5590
Oct 14, 20261,5590
Oct 13, 20261,559+43
Oct 09, 20261,516No prior observation