OITracker Cboe delayed data

Contract OI history

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Jan 15, 2027 EXPIRATION

RILY $2.50 Call

RILY270115C00002500

Latest saved OI800Oct 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 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. 8014000 2026-10-08: 797 OI2026-10-09: 797 OI2026-10-13: 801 OI2026-10-14: 801 OI2026-10-16: 800 OI2026-10-20: 800 OI2026-10-23: 800 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, 2026Viewing8000
Oct 20, 20268000
Oct 16, 2026800-1
Oct 14, 20268010
Oct 13, 2026801+4
Oct 09, 20267970
Oct 08, 2026797No prior observation