OITracker Cboe delayed data

Contract OI history

Back to RILY

Jan 15, 2027 EXPIRATION

RILY $10.00 Put

RILY270115P00010000

Latest saved OI303Oct 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 $10.00 put open interest history 7 saved observations from 2026-10-08 to 2026-10-23. Exact values and changes are listed in the table below. 3961980 2026-10-08: 396 OI2026-10-09: 396 OI2026-10-13: 377 OI2026-10-14: 337 OI2026-10-16: 303 OI2026-10-20: 303 OI2026-10-23: 303 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, 2026Viewing3030
Oct 20, 20263030
Oct 16, 2026303-34
Oct 14, 2026337-40
Oct 13, 2026377-19
Oct 09, 20263960
Oct 08, 2026396No prior observation