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Contract OI history

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Nov 20, 2026 EXPIRATION

KLAC $154.00 Put

KLAC261120P00154000

Latest saved OI3,149Oct 23, 2026
Last change+2vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $154.00 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. 3,1491,5740 2026-10-09: 2,666 OI2026-10-13: 2,896 OI2026-10-14: 2,896 OI2026-10-15: 2,920 OI2026-10-16: 3,145 OI2026-10-21: 3,147 OI2026-10-23: 3,149 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, 2026Viewing3,149+2
Oct 21, 20263,147+2
Oct 16, 20263,145+225
Oct 15, 20262,920+24
Oct 14, 20262,8960
Oct 13, 20262,896+230
Oct 09, 20262,666No prior observation