Contract OI history
Back to BRK.BJan 15, 2027 EXPIRATION
BRK.B $530.00 Call
BRKB270115C00530000
Latest saved OI4,290Oct 23, 2026
Last change-73vs 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 | 4,290 | -73 |
| Oct 21, 2026 | 4,363 | +174 |
| Oct 16, 2026 | 4,189 | +91 |
| Oct 15, 2026 | 4,098 | +53 |
| Oct 14, 2026 | 4,045 | 0 |
| Oct 13, 2026 | 4,045 | +29 |
| Oct 09, 2026 | 4,016 | +24 |
| Oct 08, 2026 | 3,992 | 0 |
| Oct 07, 2026 | 3,992 | +117 |
| Oct 06, 2026 | 3,875 | +29 |
| Oct 05, 2026 | 3,846 | +2 |
| Oct 02, 2026 | 3,844 | No prior observation |