OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 21, 2028 EXPIRATION

BRK.B $590.00 Call

BRKB280121C00590000

Latest saved OI867Oct 23, 2026
Last change-7vs 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. 8744370 2026-10-02: 837 OI2026-10-05: 837 OI2026-10-06: 837 OI2026-10-07: 837 OI2026-10-08: 837 OI2026-10-09: 870 OI2026-10-13: 870 OI2026-10-14: 870 OI2026-10-15: 870 OI2026-10-16: 870 OI2026-10-21: 874 OI2026-10-23: 867 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, 2026Viewing867-7
Oct 21, 2026874+4
Oct 16, 20268700
Oct 15, 20268700
Oct 14, 20268700
Oct 13, 20268700
Oct 09, 2026870+33
Oct 08, 20268370
Oct 07, 20268370
Oct 06, 20268370
Oct 05, 20268370
Oct 02, 2026837No prior observation