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Contract OI history

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Nov 06, 2026 EXPIRATION

KLAC $155.00 Put

KLAC261106P00155000

Latest saved OI412Oct 23, 2026
Last change+20vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $155.00 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. 4122060 2026-10-09: 374 OI2026-10-13: 376 OI2026-10-14: 376 OI2026-10-15: 379 OI2026-10-16: 380 OI2026-10-21: 392 OI2026-10-23: 412 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, 2026Viewing412+20
Oct 21, 2026392+12
Oct 16, 2026380+1
Oct 15, 2026379+3
Oct 14, 20263760
Oct 13, 2026376+2
Oct 09, 2026374No prior observation