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Contract OI history

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Jun 17, 2027 EXPIRATION

KLAC $240.00 Call

KLAC270617C00240000

Latest saved OI2,031Oct 23, 2026
Last change+30vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $240.00 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. 2,0311,0150 2026-10-09: 1,993 OI2026-10-13: 1,986 OI2026-10-14: 1,986 OI2026-10-15: 1,986 OI2026-10-16: 1,988 OI2026-10-21: 2,001 OI2026-10-23: 2,031 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, 2026Viewing2,031+30
Oct 21, 20262,001+13
Oct 16, 20261,988+2
Oct 15, 20261,9860
Oct 14, 20261,9860
Oct 13, 20261,986-7
Oct 09, 20261,993No prior observation