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Contract OI history

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Oct 23, 2026 EXPIRATION

RIOT $17.50 Put

RIOT261023P00017500

Latest saved OI0Oct 23, 2026
Last change-209vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $17.50 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. 2911450 2026-10-09: 145 OI2026-10-13: 227 OI2026-10-14: 227 OI2026-10-15: 291 OI2026-10-16: 284 OI2026-10-21: 209 OI2026-10-23: 0 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, 2026Viewing0-209
Oct 21, 2026209-75
Oct 16, 2026284-7
Oct 15, 2026291+64
Oct 14, 20262270
Oct 13, 2026227+82
Oct 09, 2026145No prior observation