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Contract OI history

Back to BRK.B

Jun 17, 2027 EXPIRATION

BRK.B $470.00 Put

BRKB270617P00470000

Latest saved OI1,006Oct 23, 2026
Last change+1vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $470.00 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. 1,0065030 2026-10-02: 927 OI2026-10-05: 941 OI2026-10-06: 941 OI2026-10-07: 945 OI2026-10-08: 945 OI2026-10-09: 946 OI2026-10-13: 967 OI2026-10-14: 967 OI2026-10-15: 979 OI2026-10-16: 989 OI2026-10-21: 1,005 OI2026-10-23: 1,006 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, 2026Viewing1,006+1
Oct 21, 20261,005+16
Oct 16, 2026989+10
Oct 15, 2026979+12
Oct 14, 20269670
Oct 13, 2026967+21
Oct 09, 2026946+1
Oct 08, 20269450
Oct 07, 2026945+4
Oct 06, 20269410
Oct 05, 2026941+14
Oct 02, 2026927No prior observation