OITracker Cboe delayed data

Contract OI history

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Apr 16, 2027 EXPIRATION

RILY $5.00 Put

RILY270416P00005000

Latest saved OI403Oct 23, 2026
Last change+2vs 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. 4032010 2026-10-08: 114 OI2026-10-09: 114 OI2026-10-13: 115 OI2026-10-14: 120 OI2026-10-16: 126 OI2026-10-20: 401 OI2026-10-23: 403 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, 2026Viewing403+2
Oct 20, 2026401+275
Oct 16, 2026126+6
Oct 14, 2026120+5
Oct 13, 2026115+1
Oct 09, 20261140
Oct 08, 2026114No prior observation