| OGD | Orbit Garant Drilling Inc | 1.500 | 1.380 | 1.460 | 40.9K | 0.080 | | 5.80 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 9.890 | 9.700 | 9.890 | 5.6K | 0.020 | | 0.20 | |
| OLY | Olympia Financial Group Inc | 115.4 | 113.5 | 114.0 | 2.4K | -0.5 | | 0.43 | |
| OM | Osisko Metals Incorporated | 0.4650 | 0.4450 | 0.4450 | 197.9K | -0.0150 | | 3.26 | |
| ONEB | CI One North American Core Plus Bond ETF | 49.64 | 49.64 | 49.64 | 200 | -0.06 | | 0.12 | |
| ONEC | Accelerate Onechoice Alt Multi-Asset | 25.20 | 25.06 | 25.06 | 710 | -0.02 | | 0.08 | |
| OR | Osisko Gold Royalties Ltd | 46.77 | 45.88 | 46.55 | 377.0K | 1.20 | | 2.65 | |