OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $320.00 Call

BRKB270115C00320000

Latest saved OI1,013Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $320.00 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. 1,0145070 2026-10-02: 1,014 OI2026-10-05: 1,013 OI2026-10-06: 1,013 OI2026-10-07: 1,013 OI2026-10-08: 1,013 OI2026-10-09: 1,013 OI2026-10-13: 1,013 OI2026-10-14: 1,013 OI2026-10-15: 1,013 OI2026-10-16: 1,013 OI2026-10-21: 1,013 OI2026-10-23: 1,013 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, 2026Viewing1,0130
Oct 21, 20261,0130
Oct 16, 20261,0130
Oct 15, 20261,0130
Oct 14, 20261,0130
Oct 13, 20261,0130
Oct 09, 20261,0130
Oct 08, 20261,0130
Oct 07, 20261,0130
Oct 06, 20261,0130
Oct 05, 20261,013-1
Oct 02, 20261,014No prior observation