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Contract OI history

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Jan 21, 2028 EXPIRATION

ACMR $180.00 Call

ACMR280121C00180000

Latest saved OI374Oct 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 $180.00 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. 3751870 2026-10-09: 375 OI2026-10-13: 374 OI2026-10-14: 374 OI2026-10-16: 374 OI2026-10-21: 374 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, 2026Viewing3740
Oct 16, 20263740
Oct 14, 20263740
Oct 13, 2026374-1
Oct 09, 2026375No prior observation