GROUP ONE TRADING LLC's ownership history for OPEN

GROUP ONE TRADING LLC currently holds 203.2K shares with a market value of $1.2M. It started holding OPEN on 2024-09-30. At its peak, it held 2.9M shares on 2024-09-30. Its highest holding value was $11.7M on 2025-09-30. At its lowest, it held 203.2K shares on 2025-12-31, with a value of $650.6K on 2025-03-31. In the recent 180 days, GROUP ONE TRADING LLC has decreased its shares by 1.4M. In the recent year, GROUP ONE TRADING LLC has decreased its shares by 1.4M.