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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $280.00 Call

KLAC270115C00280000

Latest saved OI612Oct 23, 2026
Last change-16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $280.00 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. 6293140 2026-10-09: 629 OI2026-10-13: 628 OI2026-10-14: 628 OI2026-10-15: 627 OI2026-10-16: 627 OI2026-10-21: 628 OI2026-10-23: 612 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, 2026Viewing612-16
Oct 21, 2026628+1
Oct 16, 20266270
Oct 15, 2026627-1
Oct 14, 20266280
Oct 13, 2026628-1
Oct 09, 2026629No prior observation