| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | 64,700 | 111,000 | 99.11% | Call | |
| 2 | SIMPLEX TRADING, LLC | 124 | 1,000 | 0.89% | 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.