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Contract OI history

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Nov 20, 2026 EXPIRATION

KLAC $240.00 Call

KLAC261120C00240000

Latest saved OI241Oct 23, 2026
Last change-18vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $240.00 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. 2841420 2026-10-09: 284 OI2026-10-13: 281 OI2026-10-14: 281 OI2026-10-15: 276 OI2026-10-16: 263 OI2026-10-21: 259 OI2026-10-23: 241 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, 2026Viewing241-18
Oct 21, 2026259-4
Oct 16, 2026263-13
Oct 15, 2026276-5
Oct 14, 20262810
Oct 13, 2026281-3
Oct 09, 2026284No prior observation