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Contract OI history

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Oct 30, 2026 EXPIRATION

KLAC $170.00 Call

KLAC261030C00170000

Latest saved OI256Oct 23, 2026
Last change+36vs 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. 2561280 2026-10-09: 13 OI2026-10-13: 13 OI2026-10-14: 13 OI2026-10-15: 13 OI2026-10-16: 185 OI2026-10-21: 220 OI2026-10-23: 256 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, 2026Viewing256+36
Oct 21, 2026220+35
Oct 16, 2026185+172
Oct 15, 2026130
Oct 14, 2026130
Oct 13, 2026130
Oct 09, 202613No prior observation