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Contract OI history

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Nov 20, 2026 EXPIRATION

RIOT $21.00 Put

RIOT261120P00021000

Latest saved OI342Oct 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 $21.00 put open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3451720 2026-10-09: 332 OI2026-10-13: 336 OI2026-10-14: 336 OI2026-10-15: 344 OI2026-10-16: 345 OI2026-10-21: 342 OI2026-10-23: 342 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, 2026Viewing3420
Oct 21, 2026342-3
Oct 16, 2026345+1
Oct 15, 2026344+8
Oct 14, 20263360
Oct 13, 2026336+4
Oct 09, 2026332No prior observation