OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Oct 30, 2026 EXPIRATION

BRK.B $510.00 Call

BRKB261030C00510000

Latest saved OI5,811Oct 23, 2026
Last change-20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $510.00 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. 5,8312,9150 2026-10-02: 76 OI2026-10-05: 85 OI2026-10-06: 4,231 OI2026-10-07: 5,607 OI2026-10-08: 5,607 OI2026-10-09: 5,788 OI2026-10-13: 5,765 OI2026-10-14: 5,765 OI2026-10-15: 5,805 OI2026-10-16: 5,805 OI2026-10-21: 5,831 OI2026-10-23: 5,811 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, 2026Viewing5,811-20
Oct 21, 20265,831+26
Oct 16, 20265,8050
Oct 15, 20265,805+40
Oct 14, 20265,7650
Oct 13, 20265,765-23
Oct 09, 20265,788+181
Oct 08, 20265,6070
Oct 07, 20265,607+1,376
Oct 06, 20264,231+4,146
Oct 05, 202685+9
Oct 02, 202676No prior observation