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Contract OI history

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Dec 18, 2026 EXPIRATION

ARIS $12.50 Call

ARIS261218C00012500

Latest saved OI197Oct 20, 2026
Last change0vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ARIS $12.50 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. 197980 2026-10-02: 197 OI2026-10-05: 197 OI2026-10-06: 197 OI2026-10-07: 197 OI2026-10-08: 197 OI2026-10-09: 197 OI2026-10-13: 197 OI2026-10-14: 197 OI2026-10-16: 197 OI2026-10-20: 197 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, 2026Viewing1970
Oct 16, 20261970
Oct 14, 20261970
Oct 13, 20261970
Oct 09, 20261970
Oct 08, 20261970
Oct 07, 20261970
Oct 06, 20261970
Oct 05, 20261970
Oct 02, 2026197No prior observation