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Contract OI history

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Nov 20, 2026 EXPIRATION

KLAC $185.00 Call

KLAC261120C00185000

Latest saved OI211Oct 23, 2026
Last change+8vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $185.00 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: 76 OI2026-10-13: 176 OI2026-10-14: 176 OI2026-10-15: 174 OI2026-10-16: 172 OI2026-10-21: 203 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+8
Oct 21, 2026203+31
Oct 16, 2026172-2
Oct 15, 2026174-2
Oct 14, 20261760
Oct 13, 2026176+100
Oct 09, 202676No prior observation