Walleye Trading LLC's ownership history for DUOL

Walleye Trading LLC currently holds 36.4K shares with a market value of $6.4M. It started holding DUOL on 2025-09-30. At its peak, it held 36.4K shares on 2025-12-31. Its highest holding value was $6.4M on 2025-12-31. 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 511 contracts of calls, with the market value of the underlying securities totaling $9.0M on 2024-12-31. At its peak, it held 511 contracts of calls on 2025-12-31 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 394 contracts. In the recent year, Walleye Trading LLC has increased its holdings by 247 contracts.

It has also owned 384 contracts of puts, with the market value of the underlying securities totaling $6.7M 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 354 contracts. In the recent year, Walleye Trading LLC has increased its holdings by 36.4K contracts.