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Contract OI history

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Oct 30, 2026 EXPIRATION

KLAC $130.00 Put

KLAC261030P00130000

Latest saved OI44Oct 23, 2026
Last change+10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $130.00 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. 44220 2026-10-09: 23 OI2026-10-13: 23 OI2026-10-14: 23 OI2026-10-15: 23 OI2026-10-16: 23 OI2026-10-21: 34 OI2026-10-23: 44 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, 2026Viewing44+10
Oct 21, 202634+11
Oct 16, 2026230
Oct 15, 2026230
Oct 14, 2026230
Oct 13, 2026230
Oct 09, 202623No prior observation