| OGD | Orbit Garant Drilling Inc | 1.720 | 1.610 | 1.720 | 76.0K | 0.120 | | 7.50 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 9.470 | 9.350 | 9.470 | 4.8K | 0.160 | | 1.72 | |
| OLY | Olympia Financial Group Inc | 120.0 | 117.0 | 117.0 | 2.7K | -1.3 | | 1.07 | |
| OM | Osisko Metals Incorporated | 0.5200 | 0.4750 | 0.4825 | 683.2K | -0.0075 | | 1.53 | |
| ONEB | CI One North American Core Plus Bond ETF | 49.82 | 49.76 | 49.76 | 200 | -0.03 | | 0.06 | |
| ONEC | Accelerate Onechoice Alt Multi-Asset | 25.20 | 25.18 | 25.18 | 2.0K | 0.18 | | 0.72 | |
| OR | Osisko Gold Royalties Ltd | 46.35 | 44.75 | 45.29 | 1.14M | 0.45 | | 1.00 | |