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Contract OI history

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Nov 20, 2026 EXPIRATION

ACMR $65.00 Call

ACMR261120C00065000

Latest saved OI297Oct 21, 2026
Last change-30vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACMR $65.00 call open interest history 5 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 3271630 2026-10-09: 227 OI2026-10-13: 227 OI2026-10-14: 227 OI2026-10-16: 327 OI2026-10-21: 297 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, 2026Viewing297-30
Oct 16, 2026327+100
Oct 14, 20262270
Oct 13, 20262270
Oct 09, 2026227No prior observation