| OGD | Orbit Garant Drilling Inc | 1.350 | 1.280 | 1.350 | 65.0K | 0.020 | | 1.50 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 9.790 | 9.700 | 9.740 | 7.0K | -0.090 | | 0.92 | |
| OLY | Olympia Financial Group Inc | 115.6 | 113.3 | 115.5 | 2.7K | 3.2 | | 2.85 | |
| OM | Osisko Metals Incorporated | 0.4850 | 0.4550 | 0.4600 | 2.69M | -0.0100 | | 2.13 | |
| ONEB | CI One North American Core Plus Bond ETF | 49.72 | 49.69 | 49.72 | 900 | 0.01 | | 0.02 | |
| ONEC | Accelerate Onechoice Alt Multi-Asset | 25.27 | 25.21 | 25.21 | 238 | 0.15 | | 0.60 | |
| OR | Osisko Gold Royalties Ltd | 46.48 | 45.37 | 45.44 | 367.8K | -0.03 | | 0.07 | |