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Contract OI history

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Dec 18, 2026 EXPIRATION

ARIS $15.00 Call

ARIS261218C00015000

Latest saved OI355Oct 20, 2026
Last change+9vs 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. 3551770 2026-10-02: 336 OI2026-10-05: 338 OI2026-10-06: 338 OI2026-10-07: 345 OI2026-10-08: 350 OI2026-10-09: 350 OI2026-10-13: 350 OI2026-10-14: 350 OI2026-10-16: 346 OI2026-10-20: 355 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, 2026Viewing355+9
Oct 16, 2026346-4
Oct 14, 20263500
Oct 13, 20263500
Oct 09, 20263500
Oct 08, 2026350+5
Oct 07, 2026345+7
Oct 06, 20263380
Oct 05, 2026338+2
Oct 02, 2026336No prior observation