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Contract OI history

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Jan 21, 2028 EXPIRATION

AR $40.00 Call

AR280121C00040000

Latest saved OI792Oct 23, 2026
Last change0vs 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. 7923960 2026-10-02: 686 OI2026-10-05: 686 OI2026-10-06: 687 OI2026-10-07: 732 OI2026-10-08: 732 OI2026-10-09: 734 OI2026-10-13: 734 OI2026-10-14: 734 OI2026-10-15: 623 OI2026-10-16: 623 OI2026-10-21: 792 OI2026-10-23: 792 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, 2026Viewing7920
Oct 21, 2026792+169
Oct 16, 20266230
Oct 15, 2026623-111
Oct 14, 20267340
Oct 13, 20267340
Oct 09, 2026734+2
Oct 08, 20267320
Oct 07, 2026732+45
Oct 06, 2026687+1
Oct 05, 20266860
Oct 02, 2026686No prior observation