OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $520.00 Call

BRKB270115C00520000

Latest saved OI7,696Oct 23, 2026
Last change-29vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $520.00 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. 7,7343,8670 2026-10-02: 7,644 OI2026-10-05: 7,700 OI2026-10-06: 7,706 OI2026-10-07: 7,734 OI2026-10-08: 7,734 OI2026-10-09: 7,689 OI2026-10-13: 7,666 OI2026-10-14: 7,666 OI2026-10-15: 7,694 OI2026-10-16: 7,697 OI2026-10-21: 7,725 OI2026-10-23: 7,696 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, 2026Viewing7,696-29
Oct 21, 20267,725+28
Oct 16, 20267,697+3
Oct 15, 20267,694+28
Oct 14, 20267,6660
Oct 13, 20267,666-23
Oct 09, 20267,689-45
Oct 08, 20267,7340
Oct 07, 20267,734+28
Oct 06, 20267,706+6
Oct 05, 20267,700+56
Oct 02, 20267,644No prior observation