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Contract OI history

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Nov 20, 2026 EXPIRATION

ARIS $17.50 Put

ARIS261120P00017500

Latest saved OI265Oct 20, 2026
Last change+122vs previous saved observation
Saved market days10Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
ARIS $17.50 put open interest history 10 saved observations from 2026-10-02 to 2026-10-20. Exact values and changes are listed in the table below. 2651320 2026-10-02: 76 OI2026-10-05: 76 OI2026-10-06: 76 OI2026-10-07: 76 OI2026-10-08: 89 OI2026-10-09: 119 OI2026-10-13: 118 OI2026-10-14: 118 OI2026-10-16: 143 OI2026-10-20: 265 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, 2026Viewing265+122
Oct 16, 2026143+25
Oct 14, 20261180
Oct 13, 2026118-1
Oct 09, 2026119+30
Oct 08, 202689+13
Oct 07, 2026760
Oct 06, 2026760
Oct 05, 2026760
Oct 02, 202676No prior observation