OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

RILY $2.50 Put

RILY270115P00002500

Latest saved OI11,700Oct 23, 2026
Last change-18vs 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. 11,7185,8590 2026-10-08: 11,691 OI2026-10-09: 11,641 OI2026-10-13: 11,641 OI2026-10-14: 11,641 OI2026-10-16: 11,716 OI2026-10-20: 11,718 OI2026-10-23: 11,700 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, 2026Viewing11,700-18
Oct 20, 202611,718+2
Oct 16, 202611,716+75
Oct 14, 202611,6410
Oct 13, 202611,6410
Oct 09, 202611,641-50
Oct 08, 202611,691No prior observation