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Contract OI history

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Jun 17, 2027 EXPIRATION

KLAC $300.00 Call

KLAC270617C00300000

Latest saved OI637Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $300.00 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. 6423210 2026-10-09: 642 OI2026-10-13: 642 OI2026-10-14: 642 OI2026-10-15: 642 OI2026-10-16: 642 OI2026-10-21: 636 OI2026-10-23: 637 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, 2026Viewing637+1
Oct 21, 2026636-6
Oct 16, 20266420
Oct 15, 20266420
Oct 14, 20266420
Oct 13, 20266420
Oct 09, 2026642No prior observation