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Contract OI history

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Jun 17, 2027 EXPIRATION

KLAC $120.00 Put

KLAC270617P00120000

Latest saved OI498Oct 23, 2026
Last change+3vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
KLAC $120.00 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. 4982490 2026-10-09: 495 OI2026-10-13: 495 OI2026-10-14: 495 OI2026-10-15: 495 OI2026-10-16: 495 OI2026-10-21: 495 OI2026-10-23: 498 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, 2026Viewing498+3
Oct 21, 20264950
Oct 16, 20264950
Oct 15, 20264950
Oct 14, 20264950
Oct 13, 20264950
Oct 09, 2026495No prior observation