OITracker Cboe delayed data

Contract OI history

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Nov 20, 2026 EXPIRATION

AR $40.00 Call

AR261120C00040000

Latest saved OI2,394Oct 23, 2026
Last change+26vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
AR $40.00 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. 2,3941,1970 2026-10-02: 851 OI2026-10-05: 851 OI2026-10-06: 809 OI2026-10-07: 838 OI2026-10-08: 838 OI2026-10-09: 883 OI2026-10-13: 1,555 OI2026-10-14: 1,555 OI2026-10-15: 1,575 OI2026-10-16: 1,580 OI2026-10-21: 2,368 OI2026-10-23: 2,394 OI Oct 02, 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, 2026Viewing2,394+26
Oct 21, 20262,368+788
Oct 16, 20261,580+5
Oct 15, 20261,575+20
Oct 14, 20261,5550
Oct 13, 20261,555+672
Oct 09, 2026883+45
Oct 08, 20268380
Oct 07, 2026838+29
Oct 06, 2026809-42
Oct 05, 20268510
Oct 02, 2026851No prior observation