| OGD | Orbit Garant Drilling Inc | 1.320 | 1.160 | 1.260 | 127.1K | 0.030 | | 2.44 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 9.770 | 9.730 | 9.730 | 4.2K | 0.020 | | 0.21 | |
| OLY | Olympia Financial Group Inc | 115.0 | 113.9 | 115.0 | 1.8K | 0.7 | | 0.64 | |
| OM | Osisko Metals Incorporated | 0.4850 | 0.4450 | 0.4500 | 807.4K | -0.0250 | | 5.26 | |
| ONEB | CI One North American Core Plus Bond ETF | 49.79 | 49.73 | 49.76 | 500 | 0.01 | | 0.02 | |
| ONEC | Accelerate Onechoice Alt Multi-Asset | 25.70 | 25.70 | 25.70 | 3.2K | 0.12 | | 0.47 | |
| OR | Osisko Gold Royalties Ltd | 48.21 | 47.42 | 48.02 | 325.9K | 0.70 | | 1.48 | |