| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | PEAK6 Group LLC | 278,500 | 10,491,000 | 65.41% | Call | |
| 2 | GROUP ONE TRADING LLC | 78,000 | 2,938,000 | 18.32% | Call | |
| 3 | CITADEL ADVISORS LLC | 69,300 | 2,611,000 | 16.28% | 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.