| # | % | |||||
|---|---|---|---|---|---|---|
| 1 | GROUP ONE TRADING LLC | 555,400 | 6,259,000 | 93.36% | Call | |
| 2 | Marathon Trading Investment Management LLC | 25,000 | 282,000 | 4.21% | Call | |
| 3 | SIMPLEX TRADING, LLC | 950 | 163,000 | 2.43% | 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.
