OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Oct 23, 2026 EXPIRATION

BRK.B $517.50 Call

BRKB261023C00517500

Latest saved OI3,164Oct 23, 2026
Last change-8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $517.50 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. 3,1951,5970 2026-10-02: 0 OI2026-10-05: 0 OI2026-10-06: 75 OI2026-10-07: 157 OI2026-10-08: 157 OI2026-10-09: 3,168 OI2026-10-13: 3,166 OI2026-10-14: 3,166 OI2026-10-15: 3,195 OI2026-10-16: 3,167 OI2026-10-21: 3,172 OI2026-10-23: 3,164 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, 2026Viewing3,164-8
Oct 21, 20263,172+5
Oct 16, 20263,167-28
Oct 15, 20263,195+29
Oct 14, 20263,1660
Oct 13, 20263,166-2
Oct 09, 20263,168+3,011
Oct 08, 20261570
Oct 07, 2026157+82
Oct 06, 202675+75
Oct 05, 202600
Oct 02, 20260No prior observation