| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OBE | Obsidian Energy Ltd | 0.6100 | 0.5900 | 0.5900 | 69,095 | 0.0000 |  | 0.00 |   |
| OCS.UN | Ocp Credit Strategy Fund | 6.000 | 5.930 | 5.960 | 9,058 | -0.070 |  | 1.16 | |
| OGC | Oceanagold Corp | 4.730 | 4.560 | 4.690 | 1,484,461 | 0.070 |  | 1.52 | |
| OGD | Orbit Garant Drilling Inc | 1.600 | 1.600 | 1.600 | 1,300 | 0.030 | | 1.91 | |
| OLA | Orla Mining Ltd | 1.110 | 1.080 | 1.100 | 10,800 | 0.050 | | 4.76 | |
| OLY | Olympia Financial Group Inc | 44.86 | 44.26 | 44.26 | 1,327 | 0.03 | | 0.07 | |
| OMI | Orosur Mining Inc | 0.1100 | 0.1000 | 0.1100 | 63,000 | 0.0200 | | 22.22 | |
| ONC | Oncolytics Bio | 2.750 | 2.650 | 2.660 | 32,548 | 0.000 | | 0.00 | |
| ONC.WT | Oncolytics Biotech Inc Wts | 0.1800 | 0.1800 | 0.1800 | 8,000 | 0.0000 | | 0.00 | |
| ONEB | One North Amer Tu | 50.58 | 50.55 | 50.58 | 400 | 0.00 | | 0.00 | |
| ONEQ | One Global Equity ETF | 23.45 | 23.41 | 23.45 | 351 | 0.02 | | 0.09 | |
| ONEX | Onex Corp | 77.52 | 75.16 | 75.96 | 103,939 | -0.60 | | 0.78 | |
| OPS | Opsens Inc | 0.8100 | 0.8000 | 0.8100 | 12,000 | 0.0100 | | 1.25 | |
| OPT | Optiva Inc | 45.00 | 44.75 | 45.00 | 11,132 | 0.01 | | 0.02 | |
| OR | Osisko Gold Royalties Ltd | 11.81 | 11.50 | 11.75 | 344,695 | 0.01 | | 0.09 | |
| OR.DB | Osisko Gold Royalties Ltd 4.00 Pct Debs | 100.00 | 99.00 | 99.99 | 85,000 | 1.49 | | 1.51 | |
| OR.WT | Osisko Gold Royalties Ltd Wts | 0.3800 | 0.3800 | 0.3800 | 500 | -0.0600 | | 13.64 | |
| OR.WT.A | Osisko Gold Royalties Ltd Wts A | 0.0100 | 0.0100 | 0.0100 | 27,000 | 0.0000 | | 0.00 | |
| ORA | Aura Minerals Inc | 19.58 | 19.34 | 19.58 | 4,629 | 0.23 | | 1.19 | |
| ORL | Orocobre Limited | 3.300 | 3.180 | 3.220 | 15,300 | -0.090 | | 2.72 | |
| ORV | Orvana Minerals J | 0.1600 | 0.1500 | 0.1500 | 22,500 | 0.0000 | | 0.00 | |
| OSB | Norbord Inc | 36.48 | 34.79 | 34.88 | 377,817 | -1.08 | | 3.00 | |
| OSK | Osisko Mining Inc | 2.600 | 2.520 | 2.550 | 250,683 | 0.020 | | 0.79 | |
| OSL.UN | Ocp Senior Credit Fund | 9.620 | 9.580 | 9.580 | 10,300 | 0.000 | | 0.00 | |
| OSP | Brompton Oil Split Corp | 3.220 | 2.880 | 2.880 | 10,900 | -0.340 | | 10.56 | |
| OSP.PR.A | Brompton Oil Split Corp Pref | 9.500 | 9.500 | 9.500 | 300 | 0.100 | | 1.06 | |
| OTEX | Open Text Corp | 47.06 | 46.20 | 46.73 | 630,597 | 0.28 | | 0.60 | |
| OXC | Oryx Petroleum Corporation Ltd | 0.2100 | 0.2100 | 0.2100 | 40,000 | 0.0000 | | 0.00 | |