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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $185.00 Call

KLAC270115C00185000

Latest saved OI360Oct 23, 2026
Last change-2vs 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. 3621810 2026-10-09: 259 OI2026-10-13: 257 OI2026-10-14: 257 OI2026-10-15: 355 OI2026-10-16: 360 OI2026-10-21: 362 OI2026-10-23: 360 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, 2026Viewing360-2
Oct 21, 2026362+2
Oct 16, 2026360+5
Oct 15, 2026355+98
Oct 14, 20262570
Oct 13, 2026257-2
Oct 09, 2026259No prior observation