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Contract OI history

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Dec 18, 2026 EXPIRATION

RIOT $28.00 Call

RIOT261218C00028000

Latest saved OI4,647Oct 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 $28.00 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. 11,2715,6350 2026-10-09: 8,518 OI2026-10-13: 8,519 OI2026-10-14: 8,519 OI2026-10-15: 8,531 OI2026-10-16: 11,271 OI2026-10-21: 4,647 OI2026-10-23: 4,647 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, 2026Viewing4,6470
Oct 21, 20264,647-6,624
Oct 16, 202611,271+2,740
Oct 15, 20268,531+12
Oct 14, 20268,5190
Oct 13, 20268,519+1
Oct 09, 20268,518No prior observation