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

Parallax Volatility Advisers, L.P. currently holds 2 shares with a market value of $410. It started holding DHR on 2024-12-31. At its peak, it held 1.6K shares on 2024-12-31. Its highest holding value was $369.1K on 2024-12-31. At its lowest, it held 2 shares on 2025-03-31, with a value of $410 on 2025-03-31.

It has also owned 174 contracts of calls, with the market value of the underlying securities totaling $3.4M 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 $62.9M on 2024-09-30. At its lowest, it held 100 contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $2.0M on 2025-03-31. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 407 contracts.

It has also owned 9 contracts of puts, with the market value of the underlying securities totaling $178.4K on 2024-09-30. At its peak, it held 145 contracts of puts on 2024-09-30 and it owned puts with the market value of the underlying securities totaling $4.0M on 2024-09-30. At its lowest, it held 9 contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $178.4K on 2025-09-30. In the recent 180 days, Parallax Volatility Advisers, L.P. has decreased its holdings by 136 contracts.