| Abbreviation | Definition |
|---|---|
| NXY | Nexen Incorporated (de-listed) |
| NXY | Nexen Incorporated (de-listed) |
| OBF | O'Leary BrIC-Plus Income & Growth Fund |
| OBP | Ondine Biomedical Inc. |
| OBP | Ondine Biomedical Incorporated |
| OCB | O'Leary Advantaged Tactical Global Corporate Bond Fund |
| OCF | Middlefield Tactical Energy Corporation |
| OCH | O'Leary Canadian Income Opportunities Fund 2 |
| OCS | OCP Credit Strategy Fund |
| OCX | ONEX Corporation |
| OCY | O'Leary Canadian Income Opportunities Fund |
| OCZ | O'Leary Canadian Equity Income Fund |
| OEX | Orleans Energy Ltd. |
| OEX | Orleans Energy, LTD. |
| OGC | OceanaGold Corporation |
| OGD | Orbit Garant Drilling Inc. |
| OGD | Orbit Garant Drilling Incorporated |
| OGE | O'Leary Global Equity Income Fund |
| OGF | Brompton Oil & Gas Income Fund |
| OHA | O'Leary Hard Asset Income Fund |