| OCG | Outcrop Silver & Gold Corp | 0.5700 | 0.5100 | 0.5300 | 3.17M | -0.0400 | | 7.02 | |
| OGD | Orbit Garant Drilling Inc | 1.850 | 1.730 | 1.750 | 62.9K | 0.040 | | 2.34 | |
| OILD | Savvyshort Geared Crude Oil ETF | 13.25 | 13.25 | 13.25 | 111 | -1.22 | | 8.43 | |
| OILU | Savvylong Geared Crude Oil ETF | 19.22 | 19.14 | 19.22 | 3.8K | 0.47 | | 2.51 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 10.10 | 10.00 | 10.08 | 14.6K | 0.09 | | 0.90 | |
| OLY | Olympia Financial Group Inc | 115.1 | 115.0 | 115.0 | 2.1K | 0.2 | | 0.13 | |
| OM | Osisko Metals Incorporated | 1.110 | 1.050 | 1.100 | 4.27M | 0.040 | | 3.77 | |
| ONEC | Accelerate Onechoice Alt Multi-Asset | 26.28 | 26.28 | 26.28 | 2.9K | 0.17 | | 0.65 | |
| OR | Osisko Gold Royalties Ltd | 64.29 | 62.52 | 63.47 | 460.6K | 0.96 | | 1.54 | |
| OXY | Occidental Petroleum Corporation | 19.00 | 18.84 | 18.95 | 7.5K | 0.11 | | 0.58 | |