Contract OI history
Back to BRK.BOct 23, 2026 EXPIRATION
BRK.B $515.00 Call
BRKB261023C00515000
Latest saved OI391Oct 23, 2026
Last change-71vs 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 | 391 | -71 |
| Oct 21, 2026 | 462 | -40 |
| Oct 16, 2026 | 502 | +25 |
| Oct 15, 2026 | 477 | +2 |
| Oct 14, 2026 | 475 | 0 |
| Oct 13, 2026 | 475 | +39 |
| Oct 09, 2026 | 436 | +30 |
| Oct 08, 2026 | 406 | 0 |
| Oct 07, 2026 | 406 | +10 |
| Oct 06, 2026 | 396 | +45 |
| Oct 05, 2026 | 351 | -6 |
| Oct 02, 2026 | 357 | No prior observation |