Contract OI history
Back to BRK.BOct 23, 2026 EXPIRATION
BRK.B $530.00 Call
BRKB261023C00530000
Latest saved OI759Oct 23, 2026
Last change-165vs 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 | 759 | -165 |
| Oct 21, 2026 | 924 | +208 |
| Oct 16, 2026 | 716 | +55 |
| Oct 15, 2026 | 661 | +208 |
| Oct 14, 2026 | 453 | 0 |
| Oct 13, 2026 | 453 | +115 |
| Oct 09, 2026 | 338 | -4 |
| Oct 08, 2026 | 342 | 0 |
| Oct 07, 2026 | 342 | +2 |
| Oct 06, 2026 | 340 | +4 |
| Oct 05, 2026 | 336 | +4 |
| Oct 02, 2026 | 332 | No prior observation |