OITracker Cboe delayed data

Contract OI history

Back to RIOT

Dec 18, 2026 EXPIRATION

RIOT $20.00 Put

RIOT261218P00020000

Latest saved OI2,434Oct 23, 2026
Last change+29vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $20.00 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. 2,4341,2170 2026-10-09: 2,397 OI2026-10-13: 2,407 OI2026-10-14: 2,407 OI2026-10-15: 2,405 OI2026-10-16: 2,403 OI2026-10-21: 2,405 OI2026-10-23: 2,434 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, 2026Viewing2,434+29
Oct 21, 20262,405+2
Oct 16, 20262,403-2
Oct 15, 20262,405-2
Oct 14, 20262,4070
Oct 13, 20262,407+10
Oct 09, 20262,397No prior observation