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Contract OI history

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Dec 18, 2026 EXPIRATION

RIOT $18.00 Call

RIOT261218C00018000

Latest saved OI2,324Oct 23, 2026
Last change-16vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $18.00 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. 2,3401,1700 2026-10-09: 538 OI2026-10-13: 1,489 OI2026-10-14: 1,489 OI2026-10-15: 1,746 OI2026-10-16: 1,771 OI2026-10-21: 2,340 OI2026-10-23: 2,324 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, 2026Viewing2,324-16
Oct 21, 20262,340+569
Oct 16, 20261,771+25
Oct 15, 20261,746+257
Oct 14, 20261,4890
Oct 13, 20261,489+951
Oct 09, 2026538No prior observation