PEAK6 LLC's ownership history for BK

PEAK6 LLC currently holds 21.5K shares with a market value of $2.5M. It started holding BK on 2025-09-30. At its peak, it held 21.5K shares on 2026-03-31. Its highest holding value was $2.5M on 2026-03-31. At its lowest, it held 1.2K shares on 2025-09-30, with a value of $125.5K on 2025-09-30. In the recent 180 days, PEAK6 LLC has increased its shares by 20.3K.

It has also owned 142 contracts of calls, with the market value of the underlying securities totaling $1.7M on 2024-12-31. At its peak, it held 2.1K contracts of calls on 2024-12-31 and it owned calls with the market value of the underlying securities totaling $15.8M on 2024-12-31. At its lowest, it held 62 contracts of calls on 2025-09-30 and it owned calls with the market value of the underlying securities totaling $675.6K on 2025-09-30. In the recent 180 days, PEAK6 LLC has increased its holdings by 80 contracts. In the recent year, PEAK6 LLC has decreased its holdings by 246 contracts.

It has also owned 15 contracts of puts, with the market value of the underlying securities totaling $174.1K on 2024-12-31. At its peak, it held 899 contracts of puts on 2024-12-31 and it owned puts with the market value of the underlying securities totaling $6.9M on 2024-12-31. At its lowest, it held 15 contracts of puts on 2025-12-31 and it owned puts with the market value of the underlying securities totaling $174.1K on 2025-12-31.