OITracker Cboe delayed data

Contract OI history

Back to RUM

Oct 23, 2026 EXPIRATION

RUM $5.50 Call

RUM261023C00005500

Latest saved OI79Oct 23, 2026
Last change+46vs previous saved observation
Saved market days7Oct 09, 2026 onwards
Daily open interest Hover a point for its date and OI
RUM $5.50 call open interest history 7 saved observations from 2026-10-09 to 2026-10-23. Exact values and changes are listed in the table below. 79390 2026-10-09: 12 OI2026-10-13: 12 OI2026-10-14: 12 OI2026-10-15: 12 OI2026-10-16: 25 OI2026-10-21: 33 OI2026-10-23: 79 OI Oct 09, 2026Oct 23, 2026

All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.

RUM contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing79+46
Oct 21, 202633+8
Oct 16, 202625+13
Oct 15, 2026120
Oct 14, 2026120
Oct 13, 2026120
Oct 09, 202612No prior observation