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

Parallax Volatility Advisers, L.P. currently holds 61.3K shares with a market value of $2.4M. It started holding CENX on 2025-09-30. At its peak, it held 61.3K shares on 2025-12-31. Its highest holding value was $2.4M on 2025-12-31. At its lowest, it held 39.6K shares on 2025-09-30, with a value of $1.2M on 2025-09-30.

It has also owned 2.0K contracts of calls, with the market value of the underlying securities totaling $12.4M on 2025-09-30. At its peak, it held 2.0K contracts of calls on 2026-03-31 and it owned calls with the market value of the underlying securities totaling $12.4M on 2026-03-31. At its lowest, it held 593 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $1.7M on 2025-09-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its holdings by 1.4K contracts.