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Contract OI history

Back to BRK.B

Nov 06, 2026 EXPIRATION

BRK.B $507.50 Call

BRKB261106C00507500

Latest saved OI1Oct 23, 2026
Last change+1vs previous saved observation
Saved market days2Oct 21, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $507.50 call open interest history 2 saved observations from 2026-10-21 to 2026-10-23. Exact values and changes are listed in the table below. 10 2026-10-21: 0 OI2026-10-23: 1 OI Oct 21, 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+1
Oct 21, 20260No prior observation