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Contract OI history

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Oct 30, 2026 EXPIRATION

KLAC $180.00 Call

KLAC261030C00180000

Latest saved OI684Oct 23, 2026
Last change+331vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $180.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 6843420 2026-10-09: 14 OI2026-10-13: 14 OI2026-10-14: 14 OI2026-10-15: 18 OI2026-10-16: 23 OI2026-10-21: 353 OI2026-10-23: 684 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, 2026Viewing684+331
Oct 21, 2026353+330
Oct 16, 202623+5
Oct 15, 202618+4
Oct 14, 2026140
Oct 13, 2026140
Oct 09, 202614No prior observation