| Abbreviation | Definition |
|---|---|
| JAG | Jaguar Mining Incorporated |
| JAZ | Jazz Air Income Fund |
| JCT | Jewett-Cameron Trading Company Ltd. |
| JCT | Jewett-Cameron Trading Company, LTD. (de-listed) |
| JCT | Jewett-Cameron Trading Company, LTD. (de-listed) |
| JDN | Jayden Resources Inc. |
| JDN | Jayden Resources Incorporated (de-listed) |
| JDN | Jayden Resources Incorporated (de-listed) |
| JDU | JDS Uniphase Canada, LTD. |
| JE | Just Energy Income Fund |
| JEC | Jura Energy Corporation |
| JEX | Just Energy Exchange Corporation |
| JFC | Jaguar Financial Corporation |
| JOV | Jovian Capital Corporation |
| JYN | iPath Japanese Yen/United States Dollar Exchange Rate Exchange Traded Notes |
| JYN | iPath JPY/USD Exchange Rate ETN |
| K | Kinross Gold Corporation |
| KAT | Katanga Mining Limited |
| KBL | K-Bro Linen Income Fund |
| KBR | Kimber Resources Inc. |