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Contract OI history

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Nov 20, 2026 EXPIRATION

ARIS $17.50 Call

ARIS261120C00017500

Latest saved OI407Oct 20, 2026
Last change+2vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ARIS $17.50 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. 4072030 2026-10-02: 106 OI2026-10-05: 106 OI2026-10-06: 106 OI2026-10-07: 106 OI2026-10-08: 156 OI2026-10-09: 253 OI2026-10-13: 262 OI2026-10-14: 265 OI2026-10-16: 405 OI2026-10-20: 407 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, 2026Viewing407+2
Oct 16, 2026405+140
Oct 14, 2026265+3
Oct 13, 2026262+9
Oct 09, 2026253+97
Oct 08, 2026156+50
Oct 07, 20261060
Oct 06, 20261060
Oct 05, 20261060
Oct 02, 2026106No prior observation