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Contract OI history

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Mar 19, 2027 EXPIRATION

ARIS $20.00 Call

ARIS270319C00020000

Latest saved OI685Oct 20, 2026
Last change+1vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ARIS $20.00 call open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 6853420 2026-10-02: 674 OI2026-10-05: 678 OI2026-10-06: 678 OI2026-10-07: 679 OI2026-10-08: 679 OI2026-10-09: 679 OI2026-10-13: 683 OI2026-10-14: 683 OI2026-10-16: 684 OI2026-10-20: 685 OI Oct 02, 2026Oct 20, 2026

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

ARIS contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 20, 2026Viewing685+1
Oct 16, 2026684+1
Oct 14, 20266830
Oct 13, 2026683+4
Oct 09, 20266790
Oct 08, 20266790
Oct 07, 2026679+1
Oct 06, 20266780
Oct 05, 2026678+4
Oct 02, 2026674No prior observation