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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $290.00 Call

KLAC270115C00290000

Latest saved OI651Oct 23, 2026
Last change-7vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $290.00 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. 7523760 2026-10-09: 752 OI2026-10-13: 750 OI2026-10-14: 750 OI2026-10-15: 735 OI2026-10-16: 683 OI2026-10-21: 658 OI2026-10-23: 651 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, 2026Viewing651-7
Oct 21, 2026658-25
Oct 16, 2026683-52
Oct 15, 2026735-15
Oct 14, 20267500
Oct 13, 2026750-2
Oct 09, 2026752No prior observation