OITracker Cboe delayed data

Contract OI history

Back to RIOT

Mar 19, 2027 EXPIRATION

RIOT $18.00 Call

RIOT270319C00018000

Latest saved OI2,419Oct 23, 2026
Last change+121vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $18.00 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. 2,4191,2090 2026-10-09: 141 OI2026-10-13: 146 OI2026-10-14: 146 OI2026-10-15: 2,206 OI2026-10-16: 2,239 OI2026-10-21: 2,298 OI2026-10-23: 2,419 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, 2026Viewing2,419+121
Oct 21, 20262,298+59
Oct 16, 20262,239+33
Oct 15, 20262,206+2,060
Oct 14, 20261460
Oct 13, 2026146+5
Oct 09, 2026141No prior observation