| OCG | Outcrop Silver & Gold Corp | 0.4950 | 0.4600 | 0.4850 | 965.4K | -0.0100 | | 2.02 | |
| OGD | Orbit Garant Drilling Inc | 1.560 | 1.450 | 1.550 | 44.3K | 0.060 | | 4.03 | |
| OILD | Savvyshort Geared Crude Oil ETF | 16.96 | 16.17 | 16.17 | 200 | -1.39 | | 7.92 | |
| OILU | Savvylong Geared Crude Oil ETF | 16.88 | 16.01 | 16.88 | 2.9K | 1.21 | | 7.72 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 8.950 | 8.800 | 8.930 | 30.8K | 0.150 | | 1.71 | |
| OLY | Olympia Financial Group Inc | 114.2 | 113.0 | 113.6 | 2.1K | -0.4 | | 0.36 | |
| OM | Osisko Metals Incorporated | 0.8200 | 0.7700 | 0.8200 | 1.37M | 0.0300 | | 3.80 | |
| ONEB | CI One North American Core Plus Bond ETF | 49.43 | 49.39 | 49.43 | 600 | -0.04 | | 0.08 | |
| OR | Osisko Gold Royalties Ltd | 52.90 | 51.74 | 52.75 | 333.1K | -0.43 | | 0.81 | |
| OXY | Occidental Petroleum Corporation | 18.38 | 17.38 | 18.26 | 41.6K | 0.91 | | 5.24 | |