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Contract OI history

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Nov 20, 2026 EXPIRATION

KLAC $170.00 Call

KLAC261120C00170000

Latest saved OI1,923Oct 23, 2026
Last change+152vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $170.00 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. 1,9239610 2026-10-09: 1,667 OI2026-10-13: 1,668 OI2026-10-14: 1,668 OI2026-10-15: 1,668 OI2026-10-16: 1,685 OI2026-10-21: 1,771 OI2026-10-23: 1,923 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, 2026Viewing1,923+152
Oct 21, 20261,771+86
Oct 16, 20261,685+17
Oct 15, 20261,6680
Oct 14, 20261,6680
Oct 13, 20261,668+1
Oct 09, 20261,667No prior observation