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Contract OI history

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Oct 23, 2026 EXPIRATION

KLAC $172.50 Call

KLAC261023C00172500

Latest saved OI216Oct 23, 2026
Last change+39vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $172.50 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. 2161080 2026-10-09: 0 OI2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 34 OI2026-10-21: 177 OI2026-10-23: 216 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, 2026Viewing216+39
Oct 21, 2026177+143
Oct 16, 202634+34
Oct 15, 202600
Oct 14, 202600
Oct 13, 202600
Oct 09, 20260No prior observation