OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jun 17, 2027 EXPIRATION

BRK.B $520.00 Call

BRKB270617C00520000

Latest saved OI1,522Oct 23, 2026
Last change-2vs 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. 1,5567780 2026-10-02: 1,556 OI2026-10-05: 1,556 OI2026-10-06: 1,555 OI2026-10-07: 1,553 OI2026-10-08: 1,553 OI2026-10-09: 1,544 OI2026-10-13: 1,541 OI2026-10-14: 1,541 OI2026-10-15: 1,537 OI2026-10-16: 1,530 OI2026-10-21: 1,524 OI2026-10-23: 1,522 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, 2026Viewing1,522-2
Oct 21, 20261,524-6
Oct 16, 20261,530-7
Oct 15, 20261,537-4
Oct 14, 20261,5410
Oct 13, 20261,541-3
Oct 09, 20261,544-9
Oct 08, 20261,5530
Oct 07, 20261,553-2
Oct 06, 20261,555-1
Oct 05, 20261,5560
Oct 02, 20261,556No prior observation