| OCG | Outcrop Silver & Gold Corp | 0.3050 | 0.2750 | 0.2880 | 1.83M | -0.0200 | | 6.49 | |
| ODV.WT.B | Osisko Development Corp Wts B | 0.0350 | 0.0350 | 0.0350 | 5.0K | -0.0600 | | 63.16 | |
| ODV.WT.U | Osisko Development Corp Wts USD | 0.2100 | 0.2100 | 0.2100 | 1.8K | -0.0250 | | 10.64 | |
| ODV.WT.V | Osisko Development Corp WT V USD | 1.250 | 1.010 | 1.010 | 60.0K | -0.240 | | 19.20 | |
| OML | Omni-Lite Industries Canada Inc | 1.730 | 1.730 | 1.730 | 250 | -0.140 | | 7.49 | |
| ORC.B | Orca Energy Group Inc Cl B | 3.490 | 3.280 | 3.400 | 7.1K | 0.110 | | 3.34 | |
| ORCL | Oracle Commodity Holding Corp | 0.0700 | 0.0600 | 0.0700 | 180.8K | 0.0100 | | 16.67 | |