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

Parallax Volatility Advisers, L.P. currently holds 122.6K shares with a market value of $10.7M. It started holding GLW on 2024-09-30. At its peak, it held 127.1K shares on 2024-12-31. Its highest holding value was $10.7M on 2025-12-31. At its lowest, it held 18.6K shares on 2025-06-30, with a value of $978.8K on 2025-06-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its shares by 104.0K. In the recent year, Parallax Volatility Advisers, L.P. has decreased its shares by 4.5K.

It has also owned 4 contracts of calls, with the market value of the underlying securities totaling $35.0K on 2024-09-30. At its peak, it held 2.3K contracts of calls on 2024-09-30 and it owned calls with the market value of the underlying securities totaling $10.4M on 2024-09-30. At its lowest, it held 4 contracts of calls on 2025-12-31 and it owned calls with the market value of the underlying securities totaling $35.0K on 2025-12-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 1.4K contracts. In the recent year, Parallax Volatility Advisers, L.P. has decreased its holdings by 1.2K contracts.

It has also owned 41 contracts of puts, with the market value of the underlying securities totaling $359.0K on 2025-03-31. At its peak, it held 209 contracts of puts on 2025-03-31 and it owned puts with the market value of the underlying securities totaling $956.8K on 2025-03-31. At its lowest, it held 22 contracts of puts on 2025-06-30 and it owned puts with the market value of the underlying securities totaling $115.7K on 2025-06-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has increased its holdings by 19 contracts.