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Contract OI history

Back to BRK.B

Dec 18, 2026 EXPIRATION

BRK.B $435.00 Call

BRKB261218C00435000

Latest saved OI335Oct 23, 2026
Last change0vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $435.00 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. 3671830 2026-10-02: 367 OI2026-10-05: 367 OI2026-10-06: 367 OI2026-10-07: 367 OI2026-10-08: 367 OI2026-10-09: 366 OI2026-10-13: 366 OI2026-10-14: 366 OI2026-10-15: 366 OI2026-10-16: 366 OI2026-10-21: 335 OI2026-10-23: 335 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, 2026Viewing3350
Oct 21, 2026335-31
Oct 16, 20263660
Oct 15, 20263660
Oct 14, 20263660
Oct 13, 20263660
Oct 09, 2026366-1
Oct 08, 20263670
Oct 07, 20263670
Oct 06, 20263670
Oct 05, 20263670
Oct 02, 2026367No prior observation