| OCO.WT | OROCO RESOURCES CORP WT EX 12SE | 0.1050 | 0.1000 | 0.1050 | 25.0K | 0.0150 | | 16.67 | |
| OML | Omni-Lite Industries Canada Inc | 2.300 | 2.300 | 2.300 | 4.0K | -0.050 | | 2.13 | |
| OMR.H | Ord Mountain Resources Corp | 0.2850 | 0.2850 | 0.2850 | 500 | -0.0150 | | 5.00 | |
| ORC.B | Orca Energy Group Inc Cl B | 2.600 | 2.600 | 2.600 | 500 | 0.100 | | 4.00 | |
| OTC | Ocumetics Technology Corp | 0.4500 | 0.4300 | 0.4500 | 20.0K | 0.0200 | | 4.65 | |