| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | 27,200 | 803,000 | 98.89% | Call | |
| 2 | SIMPLEX TRADING, LLC | 82 | 9,000 | 1.11% | 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.
