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Contract OI history

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Mar 19, 2027 EXPIRATION

ARIS $25.00 Call

ARIS270319C00025000

Latest saved OI210Oct 20, 2026
Last change0vs 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. 2101050 2026-10-02: 50 OI2026-10-05: 89 OI2026-10-06: 89 OI2026-10-07: 89 OI2026-10-08: 89 OI2026-10-09: 149 OI2026-10-13: 149 OI2026-10-14: 210 OI2026-10-16: 210 OI2026-10-20: 210 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, 2026Viewing2100
Oct 16, 20262100
Oct 14, 2026210+61
Oct 13, 20261490
Oct 09, 2026149+60
Oct 08, 2026890
Oct 07, 2026890
Oct 06, 2026890
Oct 05, 202689+39
Oct 02, 202650No prior observation