OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $600.00 Call

BRKB270115C00600000

Latest saved OI3,638Oct 23, 2026
Last change+83vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $600.00 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. 3,6381,8190 2026-10-02: 3,470 OI2026-10-05: 3,442 OI2026-10-06: 3,447 OI2026-10-07: 3,437 OI2026-10-08: 3,437 OI2026-10-09: 3,511 OI2026-10-13: 3,507 OI2026-10-14: 3,507 OI2026-10-15: 3,509 OI2026-10-16: 3,516 OI2026-10-21: 3,555 OI2026-10-23: 3,638 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, 2026Viewing3,638+83
Oct 21, 20263,555+39
Oct 16, 20263,516+7
Oct 15, 20263,509+2
Oct 14, 20263,5070
Oct 13, 20263,507-4
Oct 09, 20263,511+74
Oct 08, 20263,4370
Oct 07, 20263,437-10
Oct 06, 20263,447+5
Oct 05, 20263,442-28
Oct 02, 20263,470No prior observation