Contract OI history
Back to BRK.BMar 19, 2027 EXPIRATION
BRK.B $580.00 Call
BRKB270319C00580000
Latest saved OI817Oct 23, 2026
Last change+44vs 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 | 817 | +44 |
| Oct 21, 2026 | 773 | +60 |
| Oct 16, 2026 | 713 | -172 |
| Oct 15, 2026 | 885 | +1 |
| Oct 14, 2026 | 884 | 0 |
| Oct 13, 2026 | 884 | +7 |
| Oct 09, 2026 | 877 | +193 |
| Oct 08, 2026 | 684 | 0 |
| Oct 07, 2026 | 684 | 0 |
| Oct 06, 2026 | 684 | 0 |
| Oct 05, 2026 | 684 | +2 |
| Oct 02, 2026 | 682 | No prior observation |