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Contract OI history

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May 21, 2027 EXPIRATION

ACMR $60.00 Put

ACMR270521P00060000

Latest saved OI2Oct 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 $60.00 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. 210 2026-10-09: 0 OI2026-10-13: 1 OI2026-10-14: 1 OI2026-10-16: 1 OI2026-10-21: 2 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, 2026Viewing2+1
Oct 16, 202610
Oct 14, 202610
Oct 13, 20261+1
Oct 09, 20260No prior observation