OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Mar 19, 2027 EXPIRATION

BRK.B $550.00 Call

BRKB270319C00550000

Latest saved OI595Oct 23, 2026
Last change+86vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $550.00 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. 5952970 2026-10-02: 423 OI2026-10-05: 423 OI2026-10-06: 430 OI2026-10-07: 430 OI2026-10-08: 430 OI2026-10-09: 454 OI2026-10-13: 470 OI2026-10-14: 470 OI2026-10-15: 474 OI2026-10-16: 478 OI2026-10-21: 509 OI2026-10-23: 595 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, 2026Viewing595+86
Oct 21, 2026509+31
Oct 16, 2026478+4
Oct 15, 2026474+4
Oct 14, 20264700
Oct 13, 2026470+16
Oct 09, 2026454+24
Oct 08, 20264300
Oct 07, 20264300
Oct 06, 2026430+7
Oct 05, 20264230
Oct 02, 2026423No prior observation