OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 18, 2026 EXPIRATION

BRK.B $480.00 Call

BRKB261218C00480000

Latest saved OI438Oct 23, 2026
Last change-40vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $480.00 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. 5382690 2026-10-02: 534 OI2026-10-05: 534 OI2026-10-06: 535 OI2026-10-07: 535 OI2026-10-08: 535 OI2026-10-09: 538 OI2026-10-13: 536 OI2026-10-14: 536 OI2026-10-15: 480 OI2026-10-16: 480 OI2026-10-21: 478 OI2026-10-23: 438 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, 2026Viewing438-40
Oct 21, 2026478-2
Oct 16, 20264800
Oct 15, 2026480-56
Oct 14, 20265360
Oct 13, 2026536-2
Oct 09, 2026538+3
Oct 08, 20265350
Oct 07, 20265350
Oct 06, 2026535+1
Oct 05, 20265340
Oct 02, 2026534No prior observation