| OCO.WT | OROCO RESOURCES CORP WT EX 12SE | 0.0950 | 0.0950 | 0.0950 | 1.0K | 0.0050 | | 5.56 | |
| 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 | 1.080 | 1.080 | 1.080 | 1.0K | 0.270 | | 33.33 | |
| OML | Omni-Lite Industries Canada Inc | 2.240 | 2.220 | 2.240 | 6.1K | 0.040 | | 1.82 | |
| OMR.H | Ord Mountain Resources Corp | 0.3050 | 0.3000 | 0.3000 | 15.0K | 0.2000 | | 200.00 | |
| ORC.B | Orca Energy Group Inc Cl B | 2.950 | 2.890 | 2.950 | 5.0K | 0.150 | | 5.36 | |
| OTC | Ocumetics Technology Corp | 0.4600 | 0.4300 | 0.4500 | 48.9K | -0.0300 | | 6.25 | |