OITracker Cboe delayed data

Contract OI history

Back to RIOT

Dec 18, 2026 EXPIRATION

RIOT $19.00 Call

RIOT261218C00019000

Latest saved OI47,826Oct 23, 2026
Last change-159vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $19.00 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. 48,48024,2400 2026-10-09: 781 OI2026-10-13: 47,540 OI2026-10-14: 47,540 OI2026-10-15: 48,480 OI2026-10-16: 48,058 OI2026-10-21: 47,985 OI2026-10-23: 47,826 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, 2026Viewing47,826-159
Oct 21, 202647,985-73
Oct 16, 202648,058-422
Oct 15, 202648,480+940
Oct 14, 202647,5400
Oct 13, 202647,540+46,759
Oct 09, 2026781No prior observation