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Contract OI history

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Oct 30, 2026 EXPIRATION

KLAC $215.00 Call

KLAC261030C00215000

Latest saved OI858Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $215.00 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. 1,1905950 2026-10-09: 1,190 OI2026-10-13: 1,183 OI2026-10-14: 1,183 OI2026-10-15: 1,183 OI2026-10-16: 1,187 OI2026-10-21: 858 OI2026-10-23: 858 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, 2026Viewing8580
Oct 21, 2026858-329
Oct 16, 20261,187+4
Oct 15, 20261,1830
Oct 14, 20261,1830
Oct 13, 20261,183-7
Oct 09, 20261,190No prior observation