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Contract OI history

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Oct 23, 2026 EXPIRATION

KLAC $182.50 Put

KLAC261023P00182500

Latest saved OI26Oct 23, 2026
Last change-81vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $182.50 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 133660 2026-10-09: 91 OI2026-10-13: 105 OI2026-10-14: 105 OI2026-10-15: 101 OI2026-10-16: 133 OI2026-10-21: 107 OI2026-10-23: 26 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, 2026Viewing26-81
Oct 21, 2026107-26
Oct 16, 2026133+32
Oct 15, 2026101-4
Oct 14, 20261050
Oct 13, 2026105+14
Oct 09, 202691No prior observation