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Contract OI history

Back to BRK.B

Mar 19, 2027 EXPIRATION

BRK.B $465.00 Put

BRKB270319P00465000

Latest saved OI1,167Oct 23, 2026
Last change+8vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $465.00 put open interest history 12 saved observations from 2026-10-02 to 2026-10-23. Exact values and changes are listed in the table below. 1,1675830 2026-10-02: 1,009 OI2026-10-05: 1,009 OI2026-10-06: 1,062 OI2026-10-07: 1,092 OI2026-10-08: 1,092 OI2026-10-09: 1,149 OI2026-10-13: 1,151 OI2026-10-14: 1,151 OI2026-10-15: 1,164 OI2026-10-16: 1,163 OI2026-10-21: 1,159 OI2026-10-23: 1,167 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, 2026Viewing1,167+8
Oct 21, 20261,159-4
Oct 16, 20261,163-1
Oct 15, 20261,164+13
Oct 14, 20261,1510
Oct 13, 20261,151+2
Oct 09, 20261,149+57
Oct 08, 20261,0920
Oct 07, 20261,092+30
Oct 06, 20261,062+53
Oct 05, 20261,0090
Oct 02, 20261,009No prior observation