Walleye Trading LLC's ownership history for MASI

Walleye Trading LLC currently holds 1.1K shares with a market value of $195.7K. It started holding MASI on 2026-03-31. At its peak, it held 1.1K shares on 2026-03-31. Its highest holding value was $195.7K on 2026-03-31. At its lowest, it held 1.1K shares on 2026-03-31, with a value of $195.7K on 2026-03-31.

It has also owned 3.6K contracts of calls, with the market value of the underlying securities totaling $64.5M on 2026-03-31. At its peak, it held 3.6K contracts of calls on 2026-03-31 and it owned calls with the market value of the underlying securities totaling $64.5M on 2026-03-31. At its lowest, it held 3.6K contracts of calls on 2026-03-31 and it owned calls with the market value of the underlying securities totaling $64.5M on 2026-03-31.

It has also owned 278 contracts of puts, with the market value of the underlying securities totaling $4.9M on 2026-03-31. At its peak, it held 278 contracts of puts on 2026-03-31 and it owned puts with the market value of the underlying securities totaling $4.9M on 2026-03-31. At its lowest, it held 278 contracts of puts on 2026-03-31 and it owned puts with the market value of the underlying securities totaling $4.9M on 2026-03-31.