| Abbreviation | Definition |
|---|---|
| XEC | Cimarex Energy Company |
| XEL | Xcel Energy, Inc. |
| XFB | Lehman News America |
| XFD | Lehman, A. G., AIG DB Bank |
| XFH | Lehman Motorola |
| XFJ | Lehman Mot A-1 Fund |
| XFK | Lehman Cit Capital fund |
| XFR | Lehman Bristol Meyers Fund |
| XGT | Expressjet Holdings (delisted) |
| XIC.TO | Standard & Poors / TSX 60 Capped Index Fund |
| XJT | ExpressJet Holdings, Inc. |
| XKA | Lehman Corporate Backed Trust Certificates |
| XKC | Lehman Corning |
| XKD | Lehman Royal Cribbean |
| XKI | Lehman Corporate Backed Trust Certificates |
| XKJ | Lehman AT&T |
| XKK | Lehman ABS Corporation 8.00 Corning A |
| XKM | Lehman Corning |
| XKN | Lehman Fort Motor Corporate Backed Trust Certificates |
| XKO | Lehman 01-37 |