GROUP ONE TRADING LLC's ownership history for PII

GROUP ONE TRADING LLC currently holds 199.1K shares with a market value of $11.6M. It started holding PII on 2024-09-30. At its peak, it held 199.1K shares on 2025-09-30. Its highest holding value was $11.6M on 2025-09-30. At its lowest, it held 317 shares on 2024-09-30, with a value of $22.8K on 2024-12-31. In the recent 180 days, GROUP ONE TRADING LLC has increased its shares by 195.9K. In the recent year, GROUP ONE TRADING LLC has increased its shares by 198.8K.