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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $270.00 Call

KLAC270115C00270000

Latest saved OI787Oct 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 $270.00 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. 7973980 2026-10-09: 797 OI2026-10-13: 796 OI2026-10-14: 796 OI2026-10-15: 795 OI2026-10-16: 789 OI2026-10-21: 788 OI2026-10-23: 787 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, 2026Viewing787-1
Oct 21, 2026788-1
Oct 16, 2026789-6
Oct 15, 2026795-1
Oct 14, 20267960
Oct 13, 2026796-1
Oct 09, 2026797No prior observation