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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $210.00 Call

KLAC270115C00210000

Latest saved OI1,199Oct 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 $210.00 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. 1,2006000 2026-10-09: 1,196 OI2026-10-13: 1,196 OI2026-10-14: 1,196 OI2026-10-15: 1,194 OI2026-10-16: 1,195 OI2026-10-21: 1,200 OI2026-10-23: 1,199 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, 2026Viewing1,199-1
Oct 21, 20261,200+5
Oct 16, 20261,195+1
Oct 15, 20261,194-2
Oct 14, 20261,1960
Oct 13, 20261,1960
Oct 09, 20261,196No prior observation