| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OBE | Obsidian Energy Ltd | 1.330 | 1.270 | 1.290 | 384,150 | 0.010 |  | 0.78 |   |
| OCS.UN | Ocp Credit Strategy Fund | 7.120 | 7.090 | 7.100 | 41,100 | 0.100 | | 1.43 | |
| OGC | Oceanagold Corp | 3.700 | 3.630 | 3.630 | 873,874 | -0.030 |  | 0.82 | |
| OGD | Orbit Garant Drilling Inc | 1.850 | 1.850 | 1.850 | 5,450 | 0.020 | | 1.09 | |
| OLY | Olympia Financial Group Inc | 34.00 | 34.00 | 34.00 | 100 | 0.50 | | 1.49 | |
| OMI | Orosur Mining Inc | 0.2900 | 0.2700 | 0.2900 | 372,500 | 0.0100 | | 3.57 | |
| ONC | Oncolytics Bio | 0.6900 | 0.6300 | 0.6900 | 317,050 | 0.0200 | | 2.99 | |
| ONC.WT | Oncolytics Biotech Inc Wts | 0.1800 | 0.1700 | 0.1800 | 64,400 | 0.0100 | | 5.88 | |
| ONEX | Onex Corp | 97.98 | 95.76 | 97.63 | 136,447 | 1.29 | | 1.34 | |
| ONR.DB.B | Onereit 5.45 Pct Debs | 100.2 | 100.2 | 100.2 | 9,000 | 0.2 | | 0.19 | |
| ONR.DB.C | Onereit 5.50 Pct Debs | 101.5 | 101.5 | 101.5 | 22,000 | 0.0 |  | 0.00 | |
| ONR.UN | Onereit Trust Units | 4.240 | 4.230 | 4.230 | 308,567 | -0.010 | | 0.24 | |
| OPS | Opsens Inc | 1.190 | 1.120 | 1.160 | 50,350 | -0.030 | | 2.52 | |
| OR | Osisko Gold Royalties Ltd | 16.28 | 16.13 | 16.22 | 128,811 | 0.09 | | 0.56 | |
| OR.WT | Osisko Gold Royalties Ltd Wts | 3.000 | 3.000 | 3.000 | 1,000 | 0.000 | | 0.00 | |
| OR.WT.A | Osisko Gold Royalties Ltd Wts A | 2.800 | 2.650 | 2.800 | 2,100 | 0.050 | | 1.82 | |
| ORA | Aura Minerals Inc | 1.850 | 1.850 | 1.850 | 1,200 | -0.040 | | 2.12 | |
| ORL | Orocobre Limited | 4.380 | 4.270 | 4.280 | 193,701 | -0.050 | | 1.15 | |
| ORV | Orvana Minerals J | 0.2800 | 0.2500 | 0.2800 | 160,000 | 0.0100 | | 3.70 | |
| OSB | Norbord Inc | 49.43 | 48.28 | 48.96 | 287,346 | 0.48 | | 0.99 | |
| OSF.UN | Oil Sands Sector Fund | 3.950 | 3.920 | 3.940 | 5,899 | -0.010 | | 0.25 | |
| OSK | Osisko Mining Inc | 4.610 | 4.500 | 4.550 | 91,236 | 0.030 | | 0.66 | |
| OSK.WT | Osisko Mining Inc Wts | 0.0800 | 0.0800 | 0.0800 | 20,000 | 0.0000 | | 0.00 | |
| OSL.UN | Ocp Senior Credit Fund | 10.21 | 10.20 | 10.20 | 1,900 | 0.00 | | 0.00 | |
| OSP | Brompton Oil Split Corp | 6.250 | 6.000 | 6.250 | 23,469 | 0.390 | | 6.66 | |
| OSP.PR.A | Brompton Oil Split Corp Pref | 9.900 | 9.900 | 9.900 | 2,500 | -0.050 | | 0.50 | |
| OTEX | Open Text Corp | 39.63 | 39.21 | 39.52 | 212,103 | 0.33 | | 0.84 | |
| OXC | Oryx Petroleum Corporation Ltd | 0.3000 | 0.3000 | 0.3000 | 5,000 | 0.0100 | | 3.45 | |
| OXF | First Asset Can-Energy Covered Call ETF | 9.630 | 9.630 | 9.630 | 300 | 0.080 | | 0.84 | |