Walleye Trading LLC's ownership history for DUOL

Walleye Trading LLC currently holds 4.3K shares with a market value of $1.4M. It started holding DUOL on 2025-09-30. At its peak, it held 4.3K shares on 2025-09-30. Its highest holding value was $1.4M on 2025-09-30. At its lowest, it held 4.3K shares on 2025-09-30, with a value of $1.4M on 2025-09-30.

It has also owned 327 contracts of calls, with the market value of the underlying securities totaling $10.5M on 2024-12-31. At its peak, it held 327 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $10.5M on 2025-09-30. At its lowest, it held 101 contracts of calls on 2025-03-31 and it owned calls with the market value of the underlying securities totaling $3.1M on 2025-03-31. In the recent 180 days, Walleye Trading LLC has increased its holdings by 226 contracts.

It has also owned 469 contracts of puts, with the market value of the underlying securities totaling $15.1M on 2024-12-31. At its peak, it held 469 contracts of puts on 2025-09-30 and it owned puts with the market value of the underlying securities totaling $15.1M on 2025-09-30. At its lowest, it held 30 contracts of puts on 2025-06-30 and it owned puts with the market value of the underlying securities totaling $1.2M on 2025-06-30. In the recent 180 days, Walleye Trading LLC has increased its holdings by 411 contracts.