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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $240.00 Call

KLAC270115C00240000

Latest saved OI845Oct 23, 2026
Last change0vs 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. 8494240 2026-10-09: 841 OI2026-10-13: 849 OI2026-10-14: 849 OI2026-10-15: 847 OI2026-10-16: 847 OI2026-10-21: 845 OI2026-10-23: 845 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, 2026Viewing8450
Oct 21, 2026845-2
Oct 16, 20268470
Oct 15, 2026847-2
Oct 14, 20268490
Oct 13, 2026849+8
Oct 09, 2026841No prior observation