OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Nov 20, 2026 EXPIRATION

BRK.B $555.00 Call

BRKB261120C00555000

Latest saved OI512Oct 23, 2026
Last change+21vs 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. 5122560 2026-10-02: 95 OI2026-10-05: 100 OI2026-10-06: 101 OI2026-10-07: 101 OI2026-10-08: 101 OI2026-10-09: 105 OI2026-10-13: 123 OI2026-10-14: 123 OI2026-10-15: 151 OI2026-10-16: 369 OI2026-10-21: 491 OI2026-10-23: 512 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, 2026Viewing512+21
Oct 21, 2026491+122
Oct 16, 2026369+218
Oct 15, 2026151+28
Oct 14, 20261230
Oct 13, 2026123+18
Oct 09, 2026105+4
Oct 08, 20261010
Oct 07, 20261010
Oct 06, 2026101+1
Oct 05, 2026100+5
Oct 02, 202695No prior observation