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Contract OI history

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Oct 30, 2026 EXPIRATION

RIOT $13.50 Put

RIOT261030P00013500

Latest saved OI3,755Oct 23, 2026
Last change+3,711vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $13.50 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. 3,7551,8770 2026-10-21: 44 OI2026-10-23: 3,755 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, 2026Viewing3,755+3,711
Oct 21, 202644No prior observation