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Contract OI history

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Dec 18, 2026 EXPIRATION

RIOT $31.00 Call

RIOT261218C00031000

Latest saved OI1,146Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $31.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 1,1495740 2026-10-09: 1,149 OI2026-10-13: 1,147 OI2026-10-14: 1,147 OI2026-10-15: 1,142 OI2026-10-16: 1,142 OI2026-10-21: 1,146 OI2026-10-23: 1,146 OI Oct 09, 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, 2026Viewing1,1460
Oct 21, 20261,146+4
Oct 16, 20261,1420
Oct 15, 20261,142-5
Oct 14, 20261,1470
Oct 13, 20261,147-2
Oct 09, 20261,149No prior observation