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Contract OI history

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Jan 15, 2027 EXPIRATION

ACMR $77.50 Call

ACMR270115C00077500

Latest saved OI166Oct 21, 2026
Last change0vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACMR $77.50 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. 166830 2026-10-09: 7 OI2026-10-13: 7 OI2026-10-14: 7 OI2026-10-16: 166 OI2026-10-21: 166 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, 2026Viewing1660
Oct 16, 2026166+159
Oct 14, 202670
Oct 13, 202670
Oct 09, 20267No prior observation