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Contract OI history

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Nov 20, 2026 EXPIRATION

KLAC $132.00 Put

KLAC261120P00132000

Latest saved OI134Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $132.00 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. 134670 2026-10-09: 132 OI2026-10-13: 132 OI2026-10-14: 132 OI2026-10-15: 132 OI2026-10-16: 133 OI2026-10-21: 133 OI2026-10-23: 134 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, 2026Viewing134+1
Oct 21, 20261330
Oct 16, 2026133+1
Oct 15, 20261320
Oct 14, 20261320
Oct 13, 20261320
Oct 09, 2026132No prior observation