| OGD | Orbit Garant Drilling Inc | 1.230 | 1.180 | 1.180 | 129.1K | -0.040 | | 3.28 | |
| OILY | Evolve Canadian Energy Enhanced Yield IN | 9.660 | 9.590 | 9.620 | 13.9K | -0.140 | | 1.43 | |
| OLY | Olympia Financial Group Inc | 116.0 | 116.0 | 116.0 | 342 | 2.0 | | 1.71 | |
| ONEB | CI One North American Core Plus Bond ETF | 49.59 | 49.58 | 49.58 | 400 | -0.02 | | 0.04 | |
| ONEC | Accelerate Onechoice Alt Multi-Asset | 25.47 | 25.47 | 25.47 | 200 | -0.16 | | 0.62 | |
| OR | Osisko Gold Royalties Ltd | 48.34 | 46.61 | 47.55 | 325.6K | -0.77 | | 1.59 | |