OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $250.00 Call

BRKB280121C00250000

Latest saved OI162Oct 23, 2026
Last change-2vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $250.00 call open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 177880 2026-10-02: 177 OI2026-10-05: 177 OI2026-10-06: 176 OI2026-10-07: 176 OI2026-10-08: 176 OI2026-10-09: 175 OI2026-10-13: 175 OI2026-10-14: 175 OI2026-10-15: 175 OI2026-10-16: 164 OI2026-10-21: 164 OI2026-10-23: 162 OI Oct 02, 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, 2026Viewing162-2
Oct 21, 20261640
Oct 16, 2026164-11
Oct 15, 20261750
Oct 14, 20261750
Oct 13, 20261750
Oct 09, 2026175-1
Oct 08, 20261760
Oct 07, 20261760
Oct 06, 2026176-1
Oct 05, 20261770
Oct 02, 2026177No prior observation