Contract OI history
Back to BRK.BDec 15, 2028 EXPIRATION
BRK.B $470.00 Call
BRKB281215C00470000
Latest saved OI317Oct 23, 2026
Last change-9vs 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 | 317 | -9 |
| Oct 21, 2026 | 326 | -2 |
| Oct 16, 2026 | 328 | -6 |
| Oct 15, 2026 | 334 | -2 |
| Oct 14, 2026 | 336 | 0 |
| Oct 13, 2026 | 336 | -4 |
| Oct 09, 2026 | 340 | 0 |
| Oct 08, 2026 | 340 | 0 |
| Oct 07, 2026 | 340 | 0 |
| Oct 06, 2026 | 340 | +1 |
| Oct 05, 2026 | 339 | -5 |
| Oct 02, 2026 | 344 | No prior observation |