OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $540.00 Call

BRKB270115C00540000

Latest saved OI5,790Oct 23, 2026
Last change-22vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $540.00 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. 5,8122,9060 2026-10-02: 4,044 OI2026-10-05: 4,042 OI2026-10-06: 4,079 OI2026-10-07: 4,092 OI2026-10-08: 4,092 OI2026-10-09: 4,520 OI2026-10-13: 4,613 OI2026-10-14: 4,613 OI2026-10-15: 4,646 OI2026-10-16: 4,715 OI2026-10-21: 5,812 OI2026-10-23: 5,790 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, 2026Viewing5,790-22
Oct 21, 20265,812+1,097
Oct 16, 20264,715+69
Oct 15, 20264,646+33
Oct 14, 20264,6130
Oct 13, 20264,613+93
Oct 09, 20264,520+428
Oct 08, 20264,0920
Oct 07, 20264,092+13
Oct 06, 20264,079+37
Oct 05, 20264,042-2
Oct 02, 20264,044No prior observation