| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | PEAK6 Group LLC | 133,800 | 34,661,000 | 82.29% | Call | |
| 2 | GROUP ONE TRADING LLC | 27,900 | 7,228,000 | 17.16% | Call | |
| 3 | Timber Hill LLC | 900 | 233,000 | 0.55% | 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.
