OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Nov 20, 2026 EXPIRATION

BRK.B $565.00 Call

BRKB261120C00565000

Latest saved OI246Oct 23, 2026
Last change+156vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $565.00 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. 2461230 2026-10-02: 46 OI2026-10-05: 46 OI2026-10-06: 46 OI2026-10-07: 46 OI2026-10-08: 46 OI2026-10-09: 46 OI2026-10-13: 42 OI2026-10-14: 42 OI2026-10-15: 49 OI2026-10-16: 50 OI2026-10-21: 90 OI2026-10-23: 246 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, 2026Viewing246+156
Oct 21, 202690+40
Oct 16, 202650+1
Oct 15, 202649+7
Oct 14, 2026420
Oct 13, 202642-4
Oct 09, 2026460
Oct 08, 2026460
Oct 07, 2026460
Oct 06, 2026460
Oct 05, 2026460
Oct 02, 202646No prior observation