| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | SIMPLEX TRADING, LLC | 231 | 2,000 | 0.73% | Call | |
| 2 | GROUP ONE TRADING LLC | 53,500 | 272,000 | 99.27% | 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.