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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $186.00 Call

KLAC270115C00186000

Latest saved OI368Oct 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 $186.00 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. 3681840 2026-10-09: 313 OI2026-10-13: 317 OI2026-10-14: 317 OI2026-10-15: 317 OI2026-10-16: 328 OI2026-10-21: 329 OI2026-10-23: 368 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, 2026Viewing368+39
Oct 21, 2026329+1
Oct 16, 2026328+11
Oct 15, 20263170
Oct 14, 20263170
Oct 13, 2026317+4
Oct 09, 2026313No prior observation