OITracker Cboe delayed data

Contract OI history

Back to ACN

Nov 20, 2026 EXPIRATION

ACN $275.00 Call

ACN261120C00275000

Latest saved OI1,256Oct 23, 2026
Last change+281vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ACN $275.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,2566280 2026-10-02: 49 OI2026-10-05: 47 OI2026-10-06: 47 OI2026-10-07: 47 OI2026-10-08: 47 OI2026-10-09: 47 OI2026-10-13: 47 OI2026-10-14: 47 OI2026-10-15: 825 OI2026-10-16: 825 OI2026-10-21: 975 OI2026-10-23: 1,256 OI Oct 02, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

ACN contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing1,256+281
Oct 21, 2026975+150
Oct 16, 20268250
Oct 15, 2026825+778
Oct 14, 2026470
Oct 13, 2026470
Oct 09, 2026470
Oct 08, 2026470
Oct 07, 2026470
Oct 06, 2026470
Oct 05, 202647-2
Oct 02, 202649No prior observation