| Abbreviation | Definition |
|---|---|
| CMK | Cline Mining Corporation |
| CML | Crowflight Minerals Inc. |
| CML | Crowflight Minerals Incorporated |
| CMP | CMP Gold Trust |
| CMR | Claymore Premium Money Market ETF |
| CMR | Claymore Premium Money Market Exchange Traded Fund |
| CMT | Compton Petroleum Corporation |
| CMW | Claymore S&P/TSX Global Mining ETF |
| CMW | Claymore Standard & Poors/Toronto Stock eXchange Global Mining Exchange Traded Fund |
| CMZ | COMPASS Income Fund |
| CNH | Cinch Energy Corp. |
| CNH | Cinch Energy Corporation |
| CNJ | Cangene Corporation |
| CNL | Continental Gold Limited |
| CNM | Canadian Income Management Trust |
| CNQ | Canadian Natural Resources Limited |
| CNR | Canadian National Railway Company |
| CNV | Convertible & Yield Advantage Trust |
| COA | Coastal Contacts Inc. |
| COA | Coastal Contacts Incorporated (de-listed) |