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Contract OI history

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Feb 19, 2027 EXPIRATION

ACMR $100.00 Put

ACMR270219P00100000

Latest saved OI4Oct 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 $100.00 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. 420 2026-10-09: 4 OI2026-10-13: 4 OI2026-10-14: 4 OI2026-10-16: 4 OI2026-10-21: 4 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, 2026Viewing40
Oct 16, 202640
Oct 14, 202640
Oct 13, 202640
Oct 09, 20264No prior observation