OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Oct 23, 2026 EXPIRATION

BRK.B $522.50 Call

BRKB261023C00522500

Latest saved OI1,246Oct 23, 2026
Last change-9vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $522.50 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. 1,2606300 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 6 OI2026-10-07: 10 OI2026-10-08: 10 OI2026-10-09: 191 OI2026-10-13: 1,260 OI2026-10-14: 1,260 OI2026-10-15: 1,256 OI2026-10-16: 1,236 OI2026-10-21: 1,255 OI2026-10-23: 1,246 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, 2026Viewing1,246-9
Oct 21, 20261,255+19
Oct 16, 20261,236-20
Oct 15, 20261,256-4
Oct 14, 20261,2600
Oct 13, 20261,260+1,069
Oct 09, 2026191+181
Oct 08, 2026100
Oct 07, 202610+4
Oct 06, 20266+6
Oct 05, 202600
Oct 02, 20260No prior observation