OITracker Cboe delayed data

Contract OI history

Back to ACMR

Nov 20, 2026 EXPIRATION

ACMR $35.00 Put

ACMR261120P00035000

Latest saved OI443Oct 21, 2026
Last change+214vs previous saved observation
Saved market days5Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
ACMR $35.00 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. 4432210 2026-10-09: 229 OI2026-10-13: 229 OI2026-10-14: 229 OI2026-10-16: 229 OI2026-10-21: 443 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, 2026Viewing443+214
Oct 16, 20262290
Oct 14, 20262290
Oct 13, 20262290
Oct 09, 2026229No prior observation