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Contract OI history

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Dec 18, 2026 EXPIRATION

RILY $2.50 Put

RILY261218P00002500

Latest saved OI1,740Oct 23, 2026
Last change+1vs previous saved observation
Saved market days3Oct 16, 2026 onwards
Daily open interest Hover a point for its date and OI
RILY $2.50 put open interest history 3 saved observations from 2026-10-16 to 2026-10-23. Exact values and changes are listed in the table below. 1,7408700 2026-10-16: 1,739 OI2026-10-20: 1,739 OI2026-10-23: 1,740 OI Oct 16, 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, 2026Viewing1,740+1
Oct 20, 20261,7390
Oct 16, 20261,739No prior observation