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Contract OI history

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Oct 23, 2026 EXPIRATION

RIOT $19.50 Call

RIOT261023C00019500

Latest saved OI1,306Oct 23, 2026
Last change-4vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $19.50 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. 1,3106550 2026-10-09: 872 OI2026-10-13: 994 OI2026-10-14: 994 OI2026-10-15: 1,126 OI2026-10-16: 1,125 OI2026-10-21: 1,310 OI2026-10-23: 1,306 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, 2026Viewing1,306-4
Oct 21, 20261,310+185
Oct 16, 20261,125-1
Oct 15, 20261,126+132
Oct 14, 20269940
Oct 13, 2026994+122
Oct 09, 2026872No prior observation