Contract OI history
Back to BRK.BOct 23, 2026 EXPIRATION
BRK.B $510.00 Call
BRKB261023C00510000
Latest saved OI199Oct 23, 2026
Last change-56vs 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 | 199 | -56 |
| Oct 21, 2026 | 255 | -13 |
| Oct 16, 2026 | 268 | +19 |
| Oct 15, 2026 | 249 | -4 |
| Oct 14, 2026 | 253 | 0 |
| Oct 13, 2026 | 253 | +42 |
| Oct 09, 2026 | 211 | -32 |
| Oct 08, 2026 | 243 | 0 |
| Oct 07, 2026 | 243 | +3 |
| Oct 06, 2026 | 240 | +37 |
| Oct 05, 2026 | 203 | +13 |
| Oct 02, 2026 | 190 | No prior observation |