| OC | Olive Resource Capital Inc | 0.1050 | 0.1000 | 0.1050 | 72.6K | 0.0050 | | 5.00 | |
| OCO.WT | OROCO RESOURCES CORP WT EX 12SE | 0.0850 | 0.0850 | 0.0850 | 2.0K | -0.0100 | | 10.53 | |
| ODV.WT.U | Osisko Development Corp Wts USD | 0.0250 | 0.0250 | 0.0250 | 6.5K | -0.0550 | | 68.75 | |
| ODV.WT.V | Osisko Development Corp WT V USD | 1.0000 | 0.9900 | 0.9900 | 56.2K | -0.0900 | | 8.33 | |
| OML | Omni-Lite Industries Canada Inc | 2.300 | 2.250 | 2.300 | 4.2K | 0.010 | | 0.45 | |
| ORC.B | Orca Energy Group Inc Cl B | 2.800 | 2.800 | 2.800 | 526 | -0.150 | | 5.08 | |