OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jun 17, 2027 EXPIRATION

BRK.B $565.00 Call

BRKB270617C00565000

Latest saved OI54Oct 23, 2026
Last change+16vs previous saved observation
Saved market days4Oct 15, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $565.00 call open interest history 4 saved observations from 2026-10-15 to 2026-10-23. Exact values and changes are listed in the table below. 54270 2026-10-15: 0 OI2026-10-16: 0 OI2026-10-21: 38 OI2026-10-23: 54 OI Oct 15, 2026Oct 23, 2026

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

BRK.B contract OI by effective market date, newest first
Market dateOpen interestChange vs prior saved day
Oct 23, 2026Viewing54+16
Oct 21, 202638+38
Oct 16, 202600
Oct 15, 20260No prior observation