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Contract OI history

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Oct 30, 2026 EXPIRATION

KLAC $230.00 Call

KLAC261030C00230000

Latest saved OI201Oct 23, 2026
Last change+39vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $230.00 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. 2011000 2026-10-09: 155 OI2026-10-13: 155 OI2026-10-14: 155 OI2026-10-15: 158 OI2026-10-16: 161 OI2026-10-21: 162 OI2026-10-23: 201 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, 2026Viewing201+39
Oct 21, 2026162+1
Oct 16, 2026161+3
Oct 15, 2026158+3
Oct 14, 20261550
Oct 13, 20261550
Oct 09, 2026155No prior observation