| OGD | Orbit Garant Drilling Inc | 1.580 | 1.450 | 1.570 | 51.0K | 0.100 | | 6.80 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 9.720 | 9.600 | 9.720 | 16.5K | 0.180 | | 1.89 | |
| OLY | Olympia Financial Group Inc | 119.4 | 111.7 | 112.0 | 7.3K | -9.6 | | 7.89 | |
| OM | Osisko Metals Incorporated | 0.4950 | 0.4750 | 0.4900 | 374.8K | 0.0050 | | 1.03 | |
| ONEB | CI One North American Core Plus Bond ETF | 49.70 | 49.67 | 49.70 | 948 | -0.13 | | 0.26 | |
| ONEC | Accelerate Onechoice Alt Multi-Asset | 25.34 | 25.31 | 25.31 | 200 | -0.17 | | 0.67 | |
| OR | Osisko Gold Royalties Ltd | 45.75 | 44.01 | 45.44 | 590.1K | -0.45 | | 0.98 | |