OITracker Cboe delayed data

Contract OI history

Back to RILY

Nov 20, 2026 EXPIRATION

RILY $5.00 Put

RILY261120P00005000

Latest saved OI906Oct 23, 2026
Last change+1vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
RILY $5.00 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. 9064530 2026-10-08: 680 OI2026-10-09: 680 OI2026-10-13: 700 OI2026-10-14: 850 OI2026-10-16: 850 OI2026-10-20: 905 OI2026-10-23: 906 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, 2026Viewing906+1
Oct 20, 2026905+55
Oct 16, 20268500
Oct 14, 2026850+150
Oct 13, 2026700+20
Oct 09, 20266800
Oct 08, 2026680No prior observation