Contract OI history
Back to BRK.BJan 15, 2027 EXPIRATION
BRK.B $450.00 Call
BRKB270115C00450000
Latest saved OI1,669Oct 23, 2026
Last change-6vs previous saved observation
Saved market days12Oct 02, 2026 onwards
All saved dates are shown. Changes compare consecutive saved observations. Missing observations are not filled with zero.
| Market date | Open interest | Change vs prior saved day |
|---|---|---|
| Oct 23, 2026Viewing | 1,669 | -6 |
| Oct 21, 2026 | 1,675 | -5 |
| Oct 16, 2026 | 1,680 | -1 |
| Oct 15, 2026 | 1,681 | -6 |
| Oct 14, 2026 | 1,687 | 0 |
| Oct 13, 2026 | 1,687 | -3 |
| Oct 09, 2026 | 1,690 | -5 |
| Oct 08, 2026 | 1,695 | 0 |
| Oct 07, 2026 | 1,695 | 0 |
| Oct 06, 2026 | 1,695 | 0 |
| Oct 05, 2026 | 1,695 | +1 |
| Oct 02, 2026 | 1,694 | No prior observation |