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Contract OI history

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Dec 18, 2026 EXPIRATION

KLAC $178.00 Call

KLAC261218C00178000

Latest saved OI211Oct 23, 2026
Last change+188vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $178.00 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. 2111050 2026-10-09: 22 OI2026-10-13: 22 OI2026-10-14: 22 OI2026-10-15: 22 OI2026-10-16: 22 OI2026-10-21: 23 OI2026-10-23: 211 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, 2026Viewing211+188
Oct 21, 202623+1
Oct 16, 2026220
Oct 15, 2026220
Oct 14, 2026220
Oct 13, 2026220
Oct 09, 202622No prior observation