OITracker Cboe delayed data

Contract OI history

Back to ACMR

Jan 21, 2028 EXPIRATION

ACMR $70.00 Put

ACMR280121P00070000

Latest saved OI35Oct 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 $70.00 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. 39190 2026-10-09: 39 OI2026-10-13: 35 OI2026-10-14: 35 OI2026-10-16: 35 OI2026-10-21: 35 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, 2026Viewing350
Oct 16, 2026350
Oct 14, 2026350
Oct 13, 202635-4
Oct 09, 202639No prior observation