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

Parallax Volatility Advisers, L.P. currently holds 48.2K shares with a market value of $8.2M. It started holding VLO on 2024-12-31. At its peak, it held 54.9K shares on 2024-12-31. Its highest holding value was $8.2M on 2025-09-30. At its lowest, it held 2.5K shares on 2025-06-30, with a value of $332.2K on 2025-06-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its shares by 41.7K.

It has also owned 31 contracts of calls, with the market value of the underlying securities totaling $527.8K on 2024-09-30. At its peak, it held 438 contracts of calls on 2025-06-30 and it owned calls with the market value of the underlying securities totaling $5.9M on 2025-06-30. At its lowest, it held 31 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $527.8K on 2025-09-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 215 contracts.

It has also owned 1.7K contracts of puts, with the market value of the underlying securities totaling $28.5M on 2024-09-30. At its peak, it held 1.7K contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $28.5M on 2025-09-30. At its lowest, it held 200 contracts of puts on 2025-03-31 and it owned puts with the market value of the underlying securities totaling $2.6M on 2025-03-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its holdings by 1.5K contracts. In the recent year, Parallax Volatility Advisers, L.P. has increased its holdings by 47.4K contracts.