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Contract OI history

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Dec 18, 2026 EXPIRATION

ARIS $20.00 Call

ARIS261218C00020000

Latest saved OI949Oct 20, 2026
Last change+18vs 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. 9504750 2026-10-02: 877 OI2026-10-05: 891 OI2026-10-06: 880 OI2026-10-07: 880 OI2026-10-08: 950 OI2026-10-09: 940 OI2026-10-13: 921 OI2026-10-14: 920 OI2026-10-16: 931 OI2026-10-20: 949 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, 2026Viewing949+18
Oct 16, 2026931+11
Oct 14, 2026920-1
Oct 13, 2026921-19
Oct 09, 2026940-10
Oct 08, 2026950+70
Oct 07, 20268800
Oct 06, 2026880-11
Oct 05, 2026891+14
Oct 02, 2026877No prior observation