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

Parallax Volatility Advisers, L.P. currently holds 119.4K shares with a market value of $650.9K. It started holding OPEN on 2024-09-30. At its peak, it held 202.3K shares on 2025-12-31. Its highest holding value was $1.2M on 2025-12-31. At its lowest, it held 1.1K shares on 2024-09-30, with a value of $2.2K on 2024-09-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its shares by 82.0K.

It has also owned 274 contracts of calls, with the market value of the underlying securities totaling $149.3K on 2025-09-30. At its peak, it held 2.0K contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $1.2M on 2025-12-31. At its lowest, it held 274 contracts of calls on 2026-03-31 and it owned calls with the market value of the underlying securities totaling $149.3K on 2026-03-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 670 contracts.

It has also owned 485 contracts of puts, with the market value of the underlying securities totaling $264.3K on 2024-09-30. At its peak, it held 1.9K contracts of puts on 2025-12-31 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. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 965 contracts.