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Contract OI history

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Nov 06, 2026 EXPIRATION

RIOT $18.50 Put

RIOT261106P00018500

Latest saved OI164Oct 23, 2026
Last change+7vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $18.50 put open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 164820 2026-10-21: 157 OI2026-10-23: 164 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, 2026Viewing164+7
Oct 21, 2026157No prior observation