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Contract OI history

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Jan 15, 2027 EXPIRATION

ACMR $65.00 Put

ACMR270115P00065000

Latest saved OI3,319Oct 21, 2026
Last change-1vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACMR $65.00 put open interest history 5 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 3,3201,6600 2026-10-09: 3,302 OI2026-10-13: 3,303 OI2026-10-14: 3,303 OI2026-10-16: 3,320 OI2026-10-21: 3,319 OI Oct 09, 2026Oct 21, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ACMR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 21, 2026Viewing3,319-1
Oct 16, 20263,320+17
Oct 14, 20263,3030
Oct 13, 20263,303+1
Oct 09, 20263,302No prior observation