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Contract OI history

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Dec 18, 2026 EXPIRATION

KLAC $185.00 Call

KLAC261218C00185000

Latest saved OI247Oct 23, 2026
Last change+3vs 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. 2471230 2026-10-09: 211 OI2026-10-13: 211 OI2026-10-14: 211 OI2026-10-15: 206 OI2026-10-16: 209 OI2026-10-21: 244 OI2026-10-23: 247 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, 2026Viewing247+3
Oct 21, 2026244+35
Oct 16, 2026209+3
Oct 15, 2026206-5
Oct 14, 20262110
Oct 13, 20262110
Oct 09, 2026211No prior observation