OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Sep 17, 2027 EXPIRATION

BRK.B $590.00 Call

BRKB270917C00590000

Latest saved OI1,159Oct 23, 2026
Last change+1,042vs 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. 1,1595790 2026-10-02: 63 OI2026-10-05: 62 OI2026-10-06: 66 OI2026-10-07: 66 OI2026-10-08: 66 OI2026-10-09: 89 OI2026-10-13: 89 OI2026-10-14: 89 OI2026-10-15: 89 OI2026-10-16: 91 OI2026-10-21: 117 OI2026-10-23: 1,159 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, 2026Viewing1,159+1,042
Oct 21, 2026117+26
Oct 16, 202691+2
Oct 15, 2026890
Oct 14, 2026890
Oct 13, 2026890
Oct 09, 202689+23
Oct 08, 2026660
Oct 07, 2026660
Oct 06, 202666+4
Oct 05, 202662-1
Oct 02, 202663No prior observation