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Contract OI history

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Oct 23, 2026 EXPIRATION

RILY $5.50 Call

RILY261023C00005500

Latest saved OI4,031Oct 23, 2026
Last change+1,130vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
RILY $5.50 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. 4,0312,0150 2026-10-08: 266 OI2026-10-09: 266 OI2026-10-13: 2,334 OI2026-10-14: 2,600 OI2026-10-16: 2,782 OI2026-10-20: 2,901 OI2026-10-23: 4,031 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, 2026Viewing4,031+1,130
Oct 20, 20262,901+119
Oct 16, 20262,782+182
Oct 14, 20262,600+266
Oct 13, 20262,334+2,068
Oct 09, 20262660
Oct 08, 2026266No prior observation