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Contract OI history

Back to BRK.B

Jun 17, 2027 EXPIRATION

BRK.B $540.00 Call

BRKB270617C00540000

Latest saved OI637Oct 23, 2026
Last change+21vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $540.00 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. 6373180 2026-10-02: 612 OI2026-10-05: 618 OI2026-10-06: 614 OI2026-10-07: 615 OI2026-10-08: 615 OI2026-10-09: 618 OI2026-10-13: 625 OI2026-10-14: 625 OI2026-10-15: 625 OI2026-10-16: 624 OI2026-10-21: 616 OI2026-10-23: 637 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, 2026Viewing637+21
Oct 21, 2026616-8
Oct 16, 2026624-1
Oct 15, 20266250
Oct 14, 20266250
Oct 13, 2026625+7
Oct 09, 2026618+3
Oct 08, 20266150
Oct 07, 2026615+1
Oct 06, 2026614-4
Oct 05, 2026618+6
Oct 02, 2026612No prior observation