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Contract OI history

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Mar 19, 2027 EXPIRATION

ARIS $15.00 Call

ARIS270319C00015000

Latest saved OI408Oct 20, 2026
Last change+20vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ARIS $15.00 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. 4082040 2026-10-02: 350 OI2026-10-05: 350 OI2026-10-06: 350 OI2026-10-07: 350 OI2026-10-08: 350 OI2026-10-09: 360 OI2026-10-13: 361 OI2026-10-14: 361 OI2026-10-16: 388 OI2026-10-20: 408 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, 2026Viewing408+20
Oct 16, 2026388+27
Oct 14, 20263610
Oct 13, 2026361+1
Oct 09, 2026360+10
Oct 08, 20263500
Oct 07, 20263500
Oct 06, 20263500
Oct 05, 20263500
Oct 02, 2026350No prior observation