| Code | Name | High | Low | Close | Volume | Change |
| OBV | Oyster Bay Marlborough Vineyards | 2.800 | 2.800 | 2.800 | 0 | 0.000 |  | 0.00 |
| OCFHA | OCF 00.00% Perpetual Preference Shares | 83.00 | 83.00 | 83.00 | 0 | 0.00 |  | 0.00 |
| OGC | OceanaGold Corporation Ordinary Shares | 0.3400 | 0.3400 | 0.3400 | 0 | 0.0000 |  | 0.00 |
| OGCOA | OceanaGold Corporation 01/01/09 A$4.625 | 0.5000 | 0.5000 | 0.5000 | 0 | 0.0000 |  | 0.00 |
| OIC | Opus International Consultants | 1.390 | 1.350 | 1.350 | 45,900 | 0.040 |  | 2.88 |
| OZY | Tortis-Ozzy Fund Units | 2.400 | 2.400 | 2.400 | 3,547 | 0.060 |  | 2.44 |