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Contract OI history

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Dec 18, 2026 EXPIRATION

RIOT $21.00 Call

RIOT261218C00021000

Latest saved OI18,100Oct 23, 2026
Last change-13vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $21.00 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. 34,33517,1670 2026-10-09: 34,335 OI2026-10-13: 18,461 OI2026-10-14: 18,461 OI2026-10-15: 18,427 OI2026-10-16: 18,299 OI2026-10-21: 18,113 OI2026-10-23: 18,100 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, 2026Viewing18,100-13
Oct 21, 202618,113-186
Oct 16, 202618,299-128
Oct 15, 202618,427-34
Oct 14, 202618,4610
Oct 13, 202618,461-15,874
Oct 09, 202634,335No prior observation