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Contract OI history

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Oct 23, 2026 EXPIRATION

RIOT $18.50 Call

RIOT261023C00018500

Latest saved OI2,030Oct 23, 2026
Last change-10vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $18.50 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. 2,0401,0200 2026-10-09: 444 OI2026-10-13: 1,519 OI2026-10-14: 1,519 OI2026-10-15: 1,912 OI2026-10-16: 1,910 OI2026-10-21: 2,040 OI2026-10-23: 2,030 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, 2026Viewing2,030-10
Oct 21, 20262,040+130
Oct 16, 20261,910-2
Oct 15, 20261,912+393
Oct 14, 20261,5190
Oct 13, 20261,519+1,075
Oct 09, 2026444No prior observation