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Contract OI history

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Jan 15, 2027 EXPIRATION

ACMR $52.50 Put

ACMR270115P00052500

Latest saved OI60Oct 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 $52.50 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. 60300 2026-10-09: 57 OI2026-10-13: 57 OI2026-10-14: 57 OI2026-10-16: 59 OI2026-10-21: 60 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, 2026Viewing60+1
Oct 16, 202659+2
Oct 14, 2026570
Oct 13, 2026570
Oct 09, 202657No prior observation