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Contract OI history

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Jan 15, 2027 EXPIRATION

RIOT $21.00 Put

RIOT270115P00021000

Latest saved OI1,506Oct 23, 2026
Last change+97vs 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. 1,9719850 2026-10-09: 1,971 OI2026-10-13: 1,971 OI2026-10-14: 1,971 OI2026-10-15: 1,971 OI2026-10-16: 1,971 OI2026-10-21: 1,409 OI2026-10-23: 1,506 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, 2026Viewing1,506+97
Oct 21, 20261,409-562
Oct 16, 20261,9710
Oct 15, 20261,9710
Oct 14, 20261,9710
Oct 13, 20261,9710
Oct 09, 20261,971No prior observation