The top five security futures contracts by volume in March were:
| Tickers | Stocks | Number of Contracts |
| IWM | iShares Russell 2000 | 13,771 |
| QQQ | NASDAQ-100 Index Tracking Stock | 4,517 |
| KLAC | KLA-Tencor Corporation | 2,505 |
| MSFT | Microsoft Corporation | 2,350 |
| XOM | Exxon Mobile Corporation | 2,343 |
Each contract represents 100 shares of the underlying stock. NQLX has a total of 89 security futures products, including futures on the NASDAQ-100 Index Tracking Stock (QQQ) and a suite of Russell iShares.
Open interest was at 32,957 on March 31, 2003.
NQLX is a fully electronic, federally regulated exchange formed as a joint venture between The NASDAQ Stock Market Inc.® and LIFFE (London International Financial Futures and Options Exchange). It lists security futures on both exchange-traded funds and the largest U.S. companies through LIFFE's electronic trading platform, LIFFE CONNECT™.
