OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Sep 17, 2027 EXPIRATION

BRK.B $600.00 Call

BRKB270917C00600000

Latest saved OI1,314Oct 23, 2026
Last change+1,070vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $600.00 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. 1,3146570 2026-10-02: 129 OI2026-10-05: 131 OI2026-10-06: 151 OI2026-10-07: 151 OI2026-10-08: 151 OI2026-10-09: 169 OI2026-10-13: 179 OI2026-10-14: 179 OI2026-10-15: 254 OI2026-10-16: 265 OI2026-10-21: 244 OI2026-10-23: 1,314 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, 2026Viewing1,314+1,070
Oct 21, 2026244-21
Oct 16, 2026265+11
Oct 15, 2026254+75
Oct 14, 20261790
Oct 13, 2026179+10
Oct 09, 2026169+18
Oct 08, 20261510
Oct 07, 20261510
Oct 06, 2026151+20
Oct 05, 2026131+2
Oct 02, 2026129No prior observation