Walleye Trading LLC's ownership history for MRK

Walleye Trading LLC currently holds 53.4K shares with a market value of $4.5M. It started holding MRK on 2025-03-31. At its peak, it held 110.8K shares on 2025-03-31. Its highest holding value was $9.9M on 2025-03-31. At its lowest, it held 53.4K shares on 2025-09-30, with a value of $4.5M on 2025-09-30. In the recent 180 days, Walleye Trading LLC has decreased its shares by 57.4K.

It has also owned 2.1K contracts of calls, with the market value of the underlying securities totaling $17.5M on 2024-12-31. At its peak, it held 2.4K contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $21.8M on 2025-03-31. At its lowest, it held 1.6K contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $15.5M on 2024-12-31. In the recent 180 days, Walleye Trading LLC has decreased its holdings by 333 contracts.

It has also owned 3.1K contracts of puts, with the market value of the underlying securities totaling $25.7M on 2024-12-31. At its peak, it held 3.5K contracts of puts on 2025-03-31 and it owned puts with the market value of the underlying securities totaling $31.0M on 2025-03-31. At its lowest, it held 861 contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $8.6M on 2024-12-31. In the recent 180 days, Walleye Trading LLC has decreased its holdings by 391 contracts.