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Contract OI history

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Oct 23, 2026 EXPIRATION

KLAC $170.00 Call

KLAC261023C00170000

Latest saved OI420Oct 23, 2026
Last change-175vs 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. 5952970 2026-10-09: 200 OI2026-10-13: 198 OI2026-10-14: 198 OI2026-10-15: 198 OI2026-10-16: 199 OI2026-10-21: 595 OI2026-10-23: 420 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, 2026Viewing420-175
Oct 21, 2026595+396
Oct 16, 2026199+1
Oct 15, 20261980
Oct 14, 20261980
Oct 13, 2026198-2
Oct 09, 2026200No prior observation