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Contract OI history

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Oct 30, 2026 EXPIRATION

RIOT $13.50 Call

RIOT261030C00013500

Latest saved OI396Oct 23, 2026
Last change+386vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $13.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 3961980 2026-10-21: 10 OI2026-10-23: 396 OI Oct 21, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

RIOT contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing396+386
Oct 21, 202610No prior observation