Parallax Volatility Advisers, L.P.'s ownership history for BK

Parallax Volatility Advisers, L.P. currently holds 2.4K shares with a market value of $279.7K. It started holding BK on 2024-09-30. At its peak, it held 98.9K shares on 2024-09-30. Its highest holding value was $7.1M on 2024-09-30. At its lowest, it held 6 shares on 2024-12-31, with a value of $461 on 2024-12-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its shares by 2.4K.

It has also owned 1.0K contracts of calls, with the market value of the underlying securities totaling $10.9M on 2024-09-30. At its peak, it held 1.4K contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $10.9M on 2025-09-30. At its lowest, it held 2 contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $14.4K on 2024-09-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its holdings by 998 contracts.

It has also owned 1.1K contracts of puts, with the market value of the underlying securities totaling $8.5M on 2024-09-30. At its peak, it held 1.1K contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $8.5M on 2024-12-31. At its lowest, it held 475 contracts of puts on 2024-09-30 and it owned puts with the market value of the underlying securities totaling $3.4M on 2024-09-30.