OITracker Cboe delayed data

Contract OI history

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Apr 16, 2027 EXPIRATION

RILY $2.50 Put

RILY270416P00002500

Latest saved OI968Oct 23, 2026
Last change0vs 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. 9684840 2026-10-08: 618 OI2026-10-09: 668 OI2026-10-13: 968 OI2026-10-14: 968 OI2026-10-16: 968 OI2026-10-20: 968 OI2026-10-23: 968 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, 2026Viewing9680
Oct 20, 20269680
Oct 16, 20269680
Oct 14, 20269680
Oct 13, 2026968+300
Oct 09, 2026668+50
Oct 08, 2026618No prior observation