Contract OI history

Back to BRK.B

Jan 15, 2027 EXPIRATION

BRK.B $230.00 Call

BRKB270115C00230000

Latest saved OI1,118Oct 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 $230.00 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. 1,1185590 2026-10-02: 1,118 OI2026-10-05: 1,118 OI2026-10-06: 1,118 OI2026-10-07: 1,118 OI2026-10-08: 1,118 OI2026-10-09: 1,118 OI2026-10-13: 1,118 OI2026-10-14: 1,118 OI2026-10-15: 1,118 OI2026-10-16: 1,118 OI2026-10-21: 1,118 OI2026-10-23: 1,118 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, 2026Viewing1,1180
Oct 21, 20261,1180
Oct 16, 20261,1180
Oct 15, 20261,1180
Oct 14, 20261,1180
Oct 13, 20261,1180
Oct 09, 20261,1180
Oct 08, 20261,1180
Oct 07, 20261,1180
Oct 06, 20261,1180
Oct 05, 20261,1180
Oct 02, 20261,118No prior observation