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Contract OI history

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Oct 30, 2026 EXPIRATION

RIOT $21.50 Call

RIOT261030C00021500

Latest saved OI216Oct 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 $21.50 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. 2161080 2026-10-09: 0 OI2026-10-13: 2 OI2026-10-14: 2 OI2026-10-15: 202 OI2026-10-16: 202 OI2026-10-21: 216 OI2026-10-23: 216 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, 2026Viewing2160
Oct 21, 2026216+14
Oct 16, 20262020
Oct 15, 2026202+200
Oct 14, 202620
Oct 13, 20262+2
Oct 09, 20260No prior observation