OITracker Cboe delayed data

Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $590.00 Call

BRKB270115C00590000

Latest saved OI1,498Oct 23, 2026
Last change+10vs 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. 1,4987490 2026-10-02: 1,356 OI2026-10-05: 1,365 OI2026-10-06: 1,366 OI2026-10-07: 1,366 OI2026-10-08: 1,366 OI2026-10-09: 1,366 OI2026-10-13: 1,383 OI2026-10-14: 1,383 OI2026-10-15: 1,383 OI2026-10-16: 1,381 OI2026-10-21: 1,488 OI2026-10-23: 1,498 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, 2026Viewing1,498+10
Oct 21, 20261,488+107
Oct 16, 20261,381-2
Oct 15, 20261,3830
Oct 14, 20261,3830
Oct 13, 20261,383+17
Oct 09, 20261,3660
Oct 08, 20261,3660
Oct 07, 20261,3660
Oct 06, 20261,366+1
Oct 05, 20261,365+9
Oct 02, 20261,356No prior observation