OITracker Cboe delayed data

Contract OI history

Back to AR

Oct 23, 2026 EXPIRATION

AR $40.50 Call

AR261023C00040500

Latest saved OI113Oct 23, 2026
Last change+97vs previous saved observation
Saved market days6Oct 13, 2026 onwards
Daily open interest Hover a point for its date and OI
AR $40.50 call open interest history 6 saved observations from 2026-10-13 to 2026-10-23. Exact values and changes are listed in the table below. 113560 2026-10-13: 0 OI2026-10-14: 0 OI2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 16 OI2026-10-23: 113 OI Oct 13, 2026Oct 23, 2026

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

AR contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing113+97
Oct 21, 202616+16
Oct 16, 202600
Oct 15, 202600
Oct 14, 202600
Oct 13, 20260No prior observation