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Contract OI history

Back to BRK.B

Jun 17, 2027 EXPIRATION

BRK.B $600.00 Call

BRKB270617C00600000

Latest saved OI1,043Oct 23, 2026
Last change+20vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $600.00 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. 1,0435210 2026-10-02: 964 OI2026-10-05: 964 OI2026-10-06: 971 OI2026-10-07: 974 OI2026-10-08: 974 OI2026-10-09: 974 OI2026-10-13: 976 OI2026-10-14: 976 OI2026-10-15: 972 OI2026-10-16: 1,002 OI2026-10-21: 1,023 OI2026-10-23: 1,043 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, 2026Viewing1,043+20
Oct 21, 20261,023+21
Oct 16, 20261,002+30
Oct 15, 2026972-4
Oct 14, 20269760
Oct 13, 2026976+2
Oct 09, 20269740
Oct 08, 20269740
Oct 07, 2026974+3
Oct 06, 2026971+7
Oct 05, 20269640
Oct 02, 2026964No prior observation