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Contract OI history

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Mar 19, 2027 EXPIRATION

RIOT $28.00 Call

RIOT270319C00028000

Latest saved OI1,318Oct 23, 2026
Last change+1vs 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. 1,3186590 2026-10-09: 261 OI2026-10-13: 261 OI2026-10-14: 261 OI2026-10-15: 376 OI2026-10-16: 396 OI2026-10-21: 1,317 OI2026-10-23: 1,318 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, 2026Viewing1,318+1
Oct 21, 20261,317+921
Oct 16, 2026396+20
Oct 15, 2026376+115
Oct 14, 20262610
Oct 13, 20262610
Oct 09, 2026261No prior observation