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Contract OI history

Back to BRK.B

Nov 06, 2026 EXPIRATION

BRK.B $525.00 Call

BRKB261106C00525000

Latest saved OI303Oct 23, 2026
Last change+12vs previous saved observation
Saved market days12Oct 02, 2026 onwards
Daily open interest Hover a point for its date and OI
BRK.B $525.00 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. 3471730 2026-10-02: 203 OI2026-10-05: 249 OI2026-10-06: 263 OI2026-10-07: 263 OI2026-10-08: 263 OI2026-10-09: 314 OI2026-10-13: 337 OI2026-10-14: 337 OI2026-10-15: 347 OI2026-10-16: 332 OI2026-10-21: 291 OI2026-10-23: 303 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, 2026Viewing303+12
Oct 21, 2026291-41
Oct 16, 2026332-15
Oct 15, 2026347+10
Oct 14, 20263370
Oct 13, 2026337+23
Oct 09, 2026314+51
Oct 08, 20262630
Oct 07, 20262630
Oct 06, 2026263+14
Oct 05, 2026249+46
Oct 02, 2026203No prior observation