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

Parallax Volatility Advisers, L.P. currently holds 13.6K shares with a market value of $1.9M. It started holding XBI on 2024-09-30. At its peak, it held 316.0K shares on 2024-12-31. Its highest holding value was $28.5M on 2024-12-31. At its lowest, it held 1 shares on 2025-12-31, with a value of $122 on 2025-12-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its shares by 181.2K. In the recent year, Parallax Volatility Advisers, L.P. has decreased its shares by 1.7K.

It has also owned 85 contracts of calls, with the market value of the underlying securities totaling $1.2M on 2024-09-30. At its peak, it held 6.4K contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $63.2M on 2024-09-30. At its lowest, it held 76 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $630.3K on 2025-06-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 633 contracts. In the recent year, Parallax Volatility Advisers, L.P. has decreased its holdings by 117 contracts.

It has also owned 982 contracts of puts, with the market value of the underlying securities totaling $13.4M on 2024-09-30. At its peak, it held 17.1K contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $154.1M on 2024-12-31. At its lowest, it held 826 contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $10.1M on 2025-12-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 38 contracts. In the recent year, Parallax Volatility Advisers, L.P. has increased its holdings by 12.3K contracts.