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Contract OI history

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Jan 19, 2029 EXPIRATION

RILY $2.50 Put

RILY290119P00002500

Latest saved OI902Oct 23, 2026
Last change+110vs previous saved observation
Saved market days7Oct 08, 2026 onwards
Daily open interest Hover a point for its date and OI
RILY $2.50 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. 9024510 2026-10-08: 310 OI2026-10-09: 310 OI2026-10-13: 691 OI2026-10-14: 692 OI2026-10-16: 792 OI2026-10-20: 792 OI2026-10-23: 902 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, 2026Viewing902+110
Oct 20, 20267920
Oct 16, 2026792+100
Oct 14, 2026692+1
Oct 13, 2026691+381
Oct 09, 20263100
Oct 08, 2026310No prior observation