OITracker Cboe delayed data

Contract OI history

Back to RIOT

Nov 20, 2026 EXPIRATION

RIOT $21.00 Call

RIOT261120C00021000

Latest saved OI2,644Oct 23, 2026
Last change-14vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $21.00 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 3,0231,5110 2026-10-09: 1,495 OI2026-10-13: 1,596 OI2026-10-14: 1,596 OI2026-10-15: 3,005 OI2026-10-16: 3,023 OI2026-10-21: 2,658 OI2026-10-23: 2,644 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, 2026Viewing2,644-14
Oct 21, 20262,658-365
Oct 16, 20263,023+18
Oct 15, 20263,005+1,409
Oct 14, 20261,5960
Oct 13, 20261,596+101
Oct 09, 20261,495No prior observation