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Contract OI history

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Nov 20, 2026 EXPIRATION

KLAC $250.00 Call

KLAC261120C00250000

Latest saved OI363Oct 23, 2026
Last change-38vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $250.00 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. 4102050 2026-10-09: 410 OI2026-10-13: 381 OI2026-10-14: 381 OI2026-10-15: 389 OI2026-10-16: 378 OI2026-10-21: 401 OI2026-10-23: 363 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, 2026Viewing363-38
Oct 21, 2026401+23
Oct 16, 2026378-11
Oct 15, 2026389+8
Oct 14, 20263810
Oct 13, 2026381-29
Oct 09, 2026410No prior observation