OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Oct 23, 2026 EXPIRATION

BRK.B $500.00 Call

BRKB261023C00500000

Latest saved OI290Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $500.00 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. 3151570 2026-10-02: 311 OI2026-10-05: 311 OI2026-10-06: 314 OI2026-10-07: 314 OI2026-10-08: 314 OI2026-10-09: 315 OI2026-10-13: 315 OI2026-10-14: 315 OI2026-10-15: 315 OI2026-10-16: 315 OI2026-10-21: 296 OI2026-10-23: 290 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, 2026Viewing290-6
Oct 21, 2026296-19
Oct 16, 20263150
Oct 15, 20263150
Oct 14, 20263150
Oct 13, 20263150
Oct 09, 2026315+1
Oct 08, 20263140
Oct 07, 20263140
Oct 06, 2026314+3
Oct 05, 20263110
Oct 02, 2026311No prior observation