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

Parallax Volatility Advisers, L.P. currently holds 134.5K shares with a market value of $91.7M. It started holding SPY on 2024-12-31. At its peak, it held 134.5K shares on 2025-12-31. Its highest holding value was $91.7M on 2025-12-31. At its lowest, it held 108.9K shares on 2024-12-31, with a value of $63.8M on 2024-12-31.

It has also owned 27.3K contracts of calls, with the market value of the underlying securities totaling $1.9B on 2024-09-30. At its peak, it held 27.3K contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $1.9B on 2025-12-31. At its lowest, it held 8.8K contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $503.0M on 2024-09-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its holdings by 10.1K contracts. In the recent year, Parallax Volatility Advisers, L.P. has increased its holdings by 9.2K contracts.

It has also owned 130.2K contracts of puts, with the market value of the underlying securities totaling $8.9B on 2024-09-30. At its peak, it held 335.5K contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $22.3B on 2025-09-30. At its lowest, it held 68.0K contracts of puts on 2025-03-31 and it owned puts with the market value of the underlying securities totaling $3.8B on 2025-03-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 5.6K contracts. In the recent year, Parallax Volatility Advisers, L.P. has increased its holdings by 60.8K contracts.