Contract OI history

Back to BRK.B

Dec 15, 2028 EXPIRATION

BRK.B $700.00 Call

BRKB281215C00700000

Latest saved OI434Oct 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 $700.00 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. 4352170 2026-10-02: 389 OI2026-10-05: 389 OI2026-10-06: 389 OI2026-10-07: 390 OI2026-10-08: 390 OI2026-10-09: 390 OI2026-10-13: 391 OI2026-10-14: 391 OI2026-10-15: 391 OI2026-10-16: 391 OI2026-10-21: 435 OI2026-10-23: 434 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, 2026Viewing434-1
Oct 21, 2026435+44
Oct 16, 20263910
Oct 15, 20263910
Oct 14, 20263910
Oct 13, 2026391+1
Oct 09, 20263900
Oct 08, 20263900
Oct 07, 2026390+1
Oct 06, 20263890
Oct 05, 20263890
Oct 02, 2026389No prior observation