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Contract OI history

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Mar 19, 2027 EXPIRATION

RIOT $18.00 Put

RIOT270319P00018000

Latest saved OI1,984Oct 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 $18.00 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. 1,9859920 2026-10-09: 505 OI2026-10-13: 504 OI2026-10-14: 504 OI2026-10-15: 504 OI2026-10-16: 504 OI2026-10-21: 1,985 OI2026-10-23: 1,984 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, 2026Viewing1,984-1
Oct 21, 20261,985+1,481
Oct 16, 20265040
Oct 15, 20265040
Oct 14, 20265040
Oct 13, 2026504-1
Oct 09, 2026505No prior observation