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Contract OI history

Back to BRK.B

Sep 17, 2027 EXPIRATION

BRK.B $550.00 Call

BRKB270917C00550000

Latest saved OI158Oct 23, 2026
Last change+16vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $550.00 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. 158790 2026-10-02: 107 OI2026-10-05: 111 OI2026-10-06: 111 OI2026-10-07: 111 OI2026-10-08: 111 OI2026-10-09: 123 OI2026-10-13: 141 OI2026-10-14: 141 OI2026-10-15: 139 OI2026-10-16: 140 OI2026-10-21: 142 OI2026-10-23: 158 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, 2026Viewing158+16
Oct 21, 2026142+2
Oct 16, 2026140+1
Oct 15, 2026139-2
Oct 14, 20261410
Oct 13, 2026141+18
Oct 09, 2026123+12
Oct 08, 20261110
Oct 07, 20261110
Oct 06, 20261110
Oct 05, 2026111+4
Oct 02, 2026107No prior observation