| OGD | Orbit Garant Drilling Inc | 1.330 | 1.270 | 1.280 | 84.1K | -0.010 | | 0.78 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 9.730 | 9.570 | 9.580 | 3.7K | -0.110 | | 1.14 | |
| OLY | Olympia Financial Group Inc | 114.0 | 112.8 | 113.1 | 1.5K | 0.3 | | 0.29 | |
| OM | Osisko Metals Incorporated | 0.6100 | 0.5800 | 0.5900 | 925.4K | 0.0100 | | 1.72 | |
| ONEB | CI One North American Core Plus Bond ETF | 49.21 | 49.18 | 49.18 | 600 | -0.06 | | 0.12 | |
| ONEC | Accelerate Onechoice Alt Multi-Asset | 25.39 | 25.39 | 25.39 | 136 | -0.05 | | 0.20 | |
| OR | Osisko Gold Royalties Ltd | 48.10 | 46.45 | 48.08 | 560.3K | 1.59 | | 3.42 | |