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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $190.00 Call

KLAC270115C00190000

Latest saved OI1,287Oct 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 $190.00 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. 1,2986490 2026-10-09: 1,296 OI2026-10-13: 1,298 OI2026-10-14: 1,298 OI2026-10-15: 1,297 OI2026-10-16: 1,291 OI2026-10-21: 1,287 OI2026-10-23: 1,287 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, 2026Viewing1,2870
Oct 21, 20261,287-4
Oct 16, 20261,291-6
Oct 15, 20261,297-1
Oct 14, 20261,2980
Oct 13, 20261,298+2
Oct 09, 20261,296No prior observation