OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Nov 13, 2026 EXPIRATION

BRK.B $525.00 Call

BRKB261113C00525000

Latest saved OI282Oct 23, 2026
Last change-13vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $525.00 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. 3201600 2026-10-02: 4 OI2026-10-05: 11 OI2026-10-06: 51 OI2026-10-07: 54 OI2026-10-08: 54 OI2026-10-09: 114 OI2026-10-13: 313 OI2026-10-14: 313 OI2026-10-15: 320 OI2026-10-16: 315 OI2026-10-21: 295 OI2026-10-23: 282 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, 2026Viewing282-13
Oct 21, 2026295-20
Oct 16, 2026315-5
Oct 15, 2026320+7
Oct 14, 20263130
Oct 13, 2026313+199
Oct 09, 2026114+60
Oct 08, 2026540
Oct 07, 202654+3
Oct 06, 202651+40
Oct 05, 202611+7
Oct 02, 20264No prior observation