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Contract OI history

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Nov 20, 2026 EXPIRATION

RIOT $16.50 Call

RIOT261120C00016500

Latest saved OI219Oct 23, 2026
Last change+6vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $16.50 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. 2191090 2026-10-21: 213 OI2026-10-23: 219 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, 2026Viewing219+6
Oct 21, 2026213No prior observation