Contract OI history
Back to BRK.BDec 18, 2026 EXPIRATION
BRK.B $580.00 Call
BRKB261218C00580000
Latest saved OI482Oct 23, 2026
Last change+18vs 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 | 482 | +18 |
| Oct 21, 2026 | 464 | +16 |
| Oct 16, 2026 | 448 | 0 |
| Oct 15, 2026 | 448 | +4 |
| Oct 14, 2026 | 444 | 0 |
| Oct 13, 2026 | 444 | +4 |
| Oct 09, 2026 | 440 | -3 |
| Oct 08, 2026 | 443 | 0 |
| Oct 07, 2026 | 443 | 0 |
| Oct 06, 2026 | 443 | -342 |
| Oct 05, 2026 | 785 | 0 |
| Oct 02, 2026 | 785 | No prior observation |