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

Parallax Volatility Advisers, L.P. currently holds 37.4K shares with a market value of $298.1K. It started holding OPEN on 2024-09-30. At its peak, it held 37.4K shares on 2025-09-30. Its highest holding value was $298.1K on 2025-09-30. At its lowest, it held 1.1K shares on 2024-09-30, with a value of $2.2K on 2024-09-30.

It has also owned 944 contracts of calls, with the market value of the underlying securities totaling $752.4K on 2025-09-30. At its peak, it held 944 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $752.4K on 2025-09-30. At its lowest, it held 944 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $752.4K on 2025-09-30.

It has also owned 1.4K contracts of puts, with the market value of the underlying securities totaling $1.2M on 2024-09-30. At its peak, it held 1.4K contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $1.2M on 2025-09-30. At its lowest, it held 300 contracts of puts on 2024-09-30 and it owned puts with the market value of the underlying securities totaling $60.0K on 2024-09-30.