OITracker Cboe delayed data

Contract OI history

Back to ACMR

Nov 20, 2026 EXPIRATION

ACMR $145.00 Call

ACMR261120C00145000

Latest saved OI243Oct 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 $145.00 call open interest history 5 saved observations from 2026-10-09 to 2026-10-21. Exact values and changes are listed in the table below. 2431210 2026-10-09: 243 OI2026-10-13: 243 OI2026-10-14: 243 OI2026-10-16: 243 OI2026-10-21: 243 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, 2026Viewing2430
Oct 16, 20262430
Oct 14, 20262430
Oct 13, 20262430
Oct 09, 2026243No prior observation