| OGD | Orbit Garant Drilling Inc | 1.760 | 1.700 | 1.710 | 22.3K | -0.030 | | 1.72 | |
| OILD | Savvyshort Geared Crude Oil ETF | 14.47 | 14.47 | 14.47 | 124 | 0.13 | | 0.91 | |
| OILU | Savvylong Geared Crude Oil ETF | 18.75 | 18.09 | 18.75 | 11.4K | 0.75 | | 4.17 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 10.000 | 9.920 | 9.990 | 5.6K | 0.090 | | 0.91 | |
| OLY | Olympia Financial Group Inc | 116.4 | 114.8 | 114.9 | 1.5K | -1.1 | | 0.94 | |
| OM | Osisko Metals Incorporated | 1.080 | 0.970 | 1.060 | 2.98M | 0.060 | | 6.00 | |
| ONEB | CI One North American Core Plus Bond ETF | 49.40 | 49.40 | 49.40 | 200 | -0.07 | | 0.14 | |
| ONEC | Accelerate Onechoice Alt Multi-Asset | 26.11 | 26.11 | 26.11 | 600 | -0.01 | | 0.04 | |
| OR | Osisko Gold Royalties Ltd | 62.66 | 59.91 | 62.51 | 387.4K | 0.08 | | 0.13 | |
| OXY | Occidental Petroleum Corporation | 18.84 | 18.61 | 18.84 | 2.7K | 0.27 | | 1.45 | |