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Contract OI history

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Dec 18, 2026 EXPIRATION

ARIS $25.00 Call

ARIS261218C00025000

Latest saved OI599Oct 20, 2026
Last change+3vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ARIS $25.00 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. 6313150 2026-10-02: 631 OI2026-10-05: 631 OI2026-10-06: 606 OI2026-10-07: 606 OI2026-10-08: 596 OI2026-10-09: 596 OI2026-10-13: 596 OI2026-10-14: 596 OI2026-10-16: 596 OI2026-10-20: 599 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, 2026Viewing599+3
Oct 16, 20265960
Oct 14, 20265960
Oct 13, 20265960
Oct 09, 20265960
Oct 08, 2026596-10
Oct 07, 20266060
Oct 06, 2026606-25
Oct 05, 20266310
Oct 02, 2026631No prior observation