OITracker Cboe delayed data

Contract OI history

Back to RIOT

Nov 20, 2026 EXPIRATION

RIOT $18.00 Put

RIOT261120P00018000

Latest saved OI3,348Oct 23, 2026
Last change+720vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RIOT $18.00 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. 3,3481,6740 2026-10-09: 941 OI2026-10-13: 1,195 OI2026-10-14: 1,195 OI2026-10-15: 1,223 OI2026-10-16: 1,209 OI2026-10-21: 2,628 OI2026-10-23: 3,348 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, 2026Viewing3,348+720
Oct 21, 20262,628+1,419
Oct 16, 20261,209-14
Oct 15, 20261,223+28
Oct 14, 20261,1950
Oct 13, 20261,195+254
Oct 09, 2026941No prior observation