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Contract OI history

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Jan 15, 2027 EXPIRATION

KLAC $220.00 Call

KLAC270115C00220000

Latest saved OI1,841Oct 23, 2026
Last change-10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $220.00 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. 1,8519250 2026-10-09: 1,835 OI2026-10-13: 1,832 OI2026-10-14: 1,832 OI2026-10-15: 1,831 OI2026-10-16: 1,831 OI2026-10-21: 1,851 OI2026-10-23: 1,841 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, 2026Viewing1,841-10
Oct 21, 20261,851+20
Oct 16, 20261,8310
Oct 15, 20261,831-1
Oct 14, 20261,8320
Oct 13, 20261,832-3
Oct 09, 20261,835No prior observation