| OGD | Orbit Garant Drilling Inc | 1.650 | 1.560 | 1.600 | 23.9K | 0.010 | | 0.63 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 9.320 | 9.230 | 9.310 | 728 | -0.040 | | 0.43 | |
| OLY | Olympia Financial Group Inc | 122.5 | 118.3 | 118.3 | 996 | -3.7 | | 3.06 | |
| OM | Osisko Metals Incorporated | 0.4900 | 0.4550 | 0.4900 | 907.0K | 0.0100 | | 2.08 | |
| ONEB | CI One North American Core Plus Bond ETF | 49.81 | 49.79 | 49.79 | 3.3K | -0.02 | | 0.04 | |
| ONEC | Accelerate Onechoice Alt Multi-Asset | 25.20 | 25.18 | 25.18 | 2.0K | 0.18 | | 0.72 | |
| OR | Osisko Gold Royalties Ltd | 44.91 | 43.76 | 44.84 | 650.6K | 0.98 | | 2.23 | |