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Contract OI history

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Nov 20, 2026 EXPIRATION

ACMR $97.50 Put

ACMR261120P00097500

Latest saved OI309Oct 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 $97.50 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. 3091540 2026-10-09: 309 OI2026-10-13: 309 OI2026-10-14: 309 OI2026-10-16: 309 OI2026-10-21: 309 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, 2026Viewing3090
Oct 16, 20263090
Oct 14, 20263090
Oct 13, 20263090
Oct 09, 2026309No prior observation