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Contract OI history

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Oct 23, 2026 EXPIRATION

ACMR $54.00 Put

ACMR261023P00054000

Latest saved OI173Oct 21, 2026
Last change+33vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACMR $54.00 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. 173860 2026-10-09: 133 OI2026-10-13: 134 OI2026-10-14: 134 OI2026-10-16: 140 OI2026-10-21: 173 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, 2026Viewing173+33
Oct 16, 2026140+6
Oct 14, 20261340
Oct 13, 2026134+1
Oct 09, 2026133No prior observation