| OGD | Orbit Garant Drilling Inc | 1.310 | 1.220 | 1.230 | 74.5K | -0.090 | | 6.82 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 9.710 | 9.570 | 9.710 | 4.0K | -0.090 | | 0.92 | |
| OLY | Olympia Financial Group Inc | 115.0 | 114.3 | 114.3 | 2.0K | 0.0 | | 0.01 | |
| OM | Osisko Metals Incorporated | 0.4750 | 0.4500 | 0.4750 | 709.1K | -0.0050 | | 1.04 | |
| ONEB | CI One North American Core Plus Bond ETF | 49.75 | 49.75 | 49.75 | 200 | 0.06 | | 0.12 | |
| ONEC | Accelerate Onechoice Alt Multi-Asset | 25.58 | 25.57 | 25.58 | 5.1K | 0.37 | | 1.47 | |
| OR | Osisko Gold Royalties Ltd | 47.78 | 47.10 | 47.32 | 240.0K | -0.17 | | 0.36 | |