OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $310.00 Call

BRKB270115C00310000

Latest saved OI10,448Oct 23, 2026
Last change-3vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $310.00 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. 10,7915,3950 2026-10-02: 10,791 OI2026-10-05: 10,791 OI2026-10-06: 10,781 OI2026-10-07: 10,776 OI2026-10-08: 10,776 OI2026-10-09: 10,760 OI2026-10-13: 10,758 OI2026-10-14: 10,758 OI2026-10-15: 10,735 OI2026-10-16: 10,735 OI2026-10-21: 10,451 OI2026-10-23: 10,448 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, 2026Viewing10,448-3
Oct 21, 202610,451-284
Oct 16, 202610,7350
Oct 15, 202610,735-23
Oct 14, 202610,7580
Oct 13, 202610,758-2
Oct 09, 202610,760-16
Oct 08, 202610,7760
Oct 07, 202610,776-5
Oct 06, 202610,781-10
Oct 05, 202610,7910
Oct 02, 202610,791No prior observation