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Contract OI history

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Oct 30, 2026 EXPIRATION

KLAC $165.00 Call

KLAC261030C00165000

Latest saved OI164Oct 23, 2026
Last change+134vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $165.00 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. 164820 2026-10-09: 3 OI2026-10-13: 3 OI2026-10-14: 3 OI2026-10-15: 3 OI2026-10-16: 3 OI2026-10-21: 30 OI2026-10-23: 164 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, 2026Viewing164+134
Oct 21, 202630+27
Oct 16, 202630
Oct 15, 202630
Oct 14, 202630
Oct 13, 202630
Oct 09, 20263No prior observation