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Contract OI history

Back to BRK.B

Nov 06, 2026 EXPIRATION

BRK.B $520.00 Call

BRKB261106C00520000

Latest saved OI497Oct 23, 2026
Last change+130vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $520.00 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. 4972480 2026-10-02: 41 OI2026-10-05: 49 OI2026-10-06: 78 OI2026-10-07: 110 OI2026-10-08: 110 OI2026-10-09: 303 OI2026-10-13: 380 OI2026-10-14: 380 OI2026-10-15: 414 OI2026-10-16: 374 OI2026-10-21: 367 OI2026-10-23: 497 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, 2026Viewing497+130
Oct 21, 2026367-7
Oct 16, 2026374-40
Oct 15, 2026414+34
Oct 14, 20263800
Oct 13, 2026380+77
Oct 09, 2026303+193
Oct 08, 20261100
Oct 07, 2026110+32
Oct 06, 202678+29
Oct 05, 202649+8
Oct 02, 202641No prior observation