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Contract OI history

Back to BRK.B

Nov 20, 2026 EXPIRATION

BRK.B $465.00 Put

BRKB261120P00465000

Latest saved OI186Oct 23, 2026
Last change+7vs 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. 189940 2026-10-02: 132 OI2026-10-05: 159 OI2026-10-06: 175 OI2026-10-07: 175 OI2026-10-08: 175 OI2026-10-09: 172 OI2026-10-13: 178 OI2026-10-14: 178 OI2026-10-15: 181 OI2026-10-16: 189 OI2026-10-21: 179 OI2026-10-23: 186 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, 2026Viewing186+7
Oct 21, 2026179-10
Oct 16, 2026189+8
Oct 15, 2026181+3
Oct 14, 20261780
Oct 13, 2026178+6
Oct 09, 2026172-3
Oct 08, 20261750
Oct 07, 20261750
Oct 06, 2026175+16
Oct 05, 2026159+27
Oct 02, 2026132No prior observation