OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 18, 2026 EXPIRATION

BRK.B $500.00 Call

BRKB261218C00500000

Latest saved OI1,472Oct 23, 2026
Last change-162vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $500.00 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. 1,9459720 2026-10-02: 1,945 OI2026-10-05: 1,945 OI2026-10-06: 1,616 OI2026-10-07: 1,616 OI2026-10-08: 1,616 OI2026-10-09: 1,668 OI2026-10-13: 1,666 OI2026-10-14: 1,666 OI2026-10-15: 1,653 OI2026-10-16: 1,652 OI2026-10-21: 1,634 OI2026-10-23: 1,472 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, 2026Viewing1,472-162
Oct 21, 20261,634-18
Oct 16, 20261,652-1
Oct 15, 20261,653-13
Oct 14, 20261,6660
Oct 13, 20261,666-2
Oct 09, 20261,668+52
Oct 08, 20261,6160
Oct 07, 20261,6160
Oct 06, 20261,616-329
Oct 05, 20261,9450
Oct 02, 20261,945No prior observation