OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Dec 15, 2028 EXPIRATION

BRK.B $590.00 Call

BRKB281215C00590000

Latest saved OI1,874Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $590.00 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. 1,8749370 2026-10-02: 1,868 OI2026-10-05: 1,866 OI2026-10-06: 1,865 OI2026-10-07: 1,865 OI2026-10-08: 1,865 OI2026-10-09: 1,874 OI2026-10-13: 1,872 OI2026-10-14: 1,872 OI2026-10-15: 1,872 OI2026-10-16: 1,872 OI2026-10-21: 1,874 OI2026-10-23: 1,874 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, 2026Viewing1,8740
Oct 21, 20261,874+2
Oct 16, 20261,8720
Oct 15, 20261,8720
Oct 14, 20261,8720
Oct 13, 20261,872-2
Oct 09, 20261,874+9
Oct 08, 20261,8650
Oct 07, 20261,8650
Oct 06, 20261,865-1
Oct 05, 20261,866-2
Oct 02, 20261,868No prior observation