| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | 381,100 | 3,868,000 | 82.68% | Call | |
| 2 | PEAK6 Group LLC | 63,700 | 647,000 | 13.83% | Call | |
| 3 | Virtu KCG Holdings LLC | 16,100 | 163,000 | 3.48% | Call |
From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.
