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Contract OI history

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Dec 18, 2026 EXPIRATION

KLAC $162.00 Put

KLAC261218P00162000

Latest saved OI507Oct 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 $162.00 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. 5072530 2026-10-09: 402 OI2026-10-13: 404 OI2026-10-14: 404 OI2026-10-15: 404 OI2026-10-16: 404 OI2026-10-21: 505 OI2026-10-23: 507 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, 2026Viewing507+2
Oct 21, 2026505+101
Oct 16, 20264040
Oct 15, 20264040
Oct 14, 20264040
Oct 13, 2026404+2
Oct 09, 2026402No prior observation