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Contract OI history

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Nov 20, 2026 EXPIRATION

ACMR $75.00 Call

ACMR261120C00075000

Latest saved OI214Oct 21, 2026
Last change+16vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACMR $75.00 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. 2141070 2026-10-09: 54 OI2026-10-13: 113 OI2026-10-14: 113 OI2026-10-16: 198 OI2026-10-21: 214 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, 2026Viewing214+16
Oct 16, 2026198+85
Oct 14, 20261130
Oct 13, 2026113+59
Oct 09, 202654No prior observation