OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Mar 19, 2027 EXPIRATION

BRK.B $555.00 Call

BRKB270319C00555000

Latest saved OI368Oct 23, 2026
Last change+5vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $555.00 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. 3681840 2026-10-02: 299 OI2026-10-05: 318 OI2026-10-06: 321 OI2026-10-07: 330 OI2026-10-08: 330 OI2026-10-09: 341 OI2026-10-13: 349 OI2026-10-14: 349 OI2026-10-15: 349 OI2026-10-16: 352 OI2026-10-21: 363 OI2026-10-23: 368 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, 2026Viewing368+5
Oct 21, 2026363+11
Oct 16, 2026352+3
Oct 15, 20263490
Oct 14, 20263490
Oct 13, 2026349+8
Oct 09, 2026341+11
Oct 08, 20263300
Oct 07, 2026330+9
Oct 06, 2026321+3
Oct 05, 2026318+19
Oct 02, 2026299No prior observation