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Contract OI history

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Oct 30, 2026 EXPIRATION

RIOT $21.00 Put

RIOT261030P00021000

Latest saved OI703Oct 23, 2026
Last change-1,018vs 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. 1,7478730 2026-10-09: 1,747 OI2026-10-13: 1,735 OI2026-10-14: 1,735 OI2026-10-15: 1,735 OI2026-10-16: 1,729 OI2026-10-21: 1,721 OI2026-10-23: 703 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, 2026Viewing703-1,018
Oct 21, 20261,721-8
Oct 16, 20261,729-6
Oct 15, 20261,7350
Oct 14, 20261,7350
Oct 13, 20261,735-12
Oct 09, 20261,747No prior observation