OITracker Cboe delayed data

Contract OI history

Back to RILY

Jan 21, 2028 EXPIRATION

RILY $15.00 Call

RILY280121C00015000

Latest saved OI412Oct 23, 2026
Last change0vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
RILY $15.00 call open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 4162080 2026-10-08: 416 OI2026-10-09: 416 OI2026-10-13: 416 OI2026-10-14: 416 OI2026-10-16: 413 OI2026-10-20: 412 OI2026-10-23: 412 OI Oct 08, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

RILY contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing4120
Oct 20, 2026412-1
Oct 16, 2026413-3
Oct 14, 20264160
Oct 13, 20264160
Oct 09, 20264160
Oct 08, 2026416No prior observation