| OCG | Outcrop Silver & Gold Corp | 0.3100 | 0.2900 | 0.2900 | 1.27M | -0.0100 | | 3.33 | |
| 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 | 1.150 | 1.150 | 1.150 | 1.9K | 0.060 | | 5.50 | |
| OML | Omni-Lite Industries Canada Inc | 1.880 | 1.770 | 1.770 | 5.6K | -0.110 | | 5.85 | |
| OTC | Ocumetics Technology Corp | 1.130 | 0.960 | 1.020 | 99.9K | -0.100 | | 8.93 | |