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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $155.00 Call

KLAC270115C00155000

Latest saved OI157Oct 23, 2026
Last change+60vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $155.00 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. 157780 2026-10-09: 103 OI2026-10-13: 103 OI2026-10-14: 103 OI2026-10-15: 103 OI2026-10-16: 103 OI2026-10-21: 97 OI2026-10-23: 157 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, 2026Viewing157+60
Oct 21, 202697-6
Oct 16, 20261030
Oct 15, 20261030
Oct 14, 20261030
Oct 13, 20261030
Oct 09, 2026103No prior observation