OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jun 17, 2027 EXPIRATION

BRK.B $550.00 Call

BRKB270617C00550000

Latest saved OI1,382Oct 23, 2026
Last change+76vs 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. 1,3826910 2026-10-02: 1,272 OI2026-10-05: 1,276 OI2026-10-06: 1,276 OI2026-10-07: 1,312 OI2026-10-08: 1,312 OI2026-10-09: 1,314 OI2026-10-13: 1,322 OI2026-10-14: 1,322 OI2026-10-15: 1,320 OI2026-10-16: 1,311 OI2026-10-21: 1,306 OI2026-10-23: 1,382 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, 2026Viewing1,382+76
Oct 21, 20261,306-5
Oct 16, 20261,311-9
Oct 15, 20261,320-2
Oct 14, 20261,3220
Oct 13, 20261,322+8
Oct 09, 20261,314+2
Oct 08, 20261,3120
Oct 07, 20261,312+36
Oct 06, 20261,2760
Oct 05, 20261,276+4
Oct 02, 20261,272No prior observation