| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OCC.P | Owl Capital Corp | 0.3000 | 0.3000 | 0.3000 | 30,000 | 0.0000 |  | 0.00 |   |
| OCN | Oceanus Resources Corp | 0.1100 | 0.0750 | 0.1100 | 202,998 | 0.0400 |  | 57.14 | |
| OCO | Oroco Resource Corp | 0.1900 | 0.1900 | 0.1900 | 25,998 | -0.0050 |  | 2.56 | |
| ODX.H | Odyssey Resources Ltd | 0.0250 | 0.0200 | 0.0200 | 250,000 | -0.0050 | | 20.00 | |
| OEC | Oracle Energy Corp | 0.0400 | 0.0400 | 0.0400 | 12,000 | 0.0000 | | 0.00 | |
| OEE | Memex Inc | 0.0250 | 0.0250 | 0.0250 | 439,000 | 0.0000 | | 0.00 | |
| OG | Organic Garage Ltd | 0.3250 | 0.2850 | 0.3250 | 33,500 | 0.0500 | | 18.18 | |
| OGI | Organigram Holdings Inc | 5.160 | 4.830 | 4.885 | 586,175 | -0.085 | | 1.71 | |
| OGI.DB | Organigram Holdings Inc 6.00 Pct Debs | 108.0 | 108.0 | 108.0 | 5,000 | 3.0 | | 2.86 | |
| OGI.WT.A | Organigram Holdings Inc Wts | 1.820 | 1.520 | 1.600 | 30,532 | -0.070 | | 4.19 | |
| OGO | Organto Foods Inc | 0.0800 | 0.0800 | 0.0800 | 12,000 | -0.0100 | | 11.11 | |
| OIC | Origin Gold Corporation | 0.0750 | 0.0750 | 0.0750 | 10,000 | -0.0050 | | 6.25 | |
| OK | Ok2 Minerals Ltd | 0.0200 | 0.0200 | 0.0200 | 300,000 | -0.0050 | | 20.00 | |
| OLT.P | Orletto Capital II Inc | 0.1000 | 0.1000 | 0.1000 | 60,000 | -0.0100 | | 9.09 | |
| OLV | Olivut Resources Ltd | 0.1050 | 0.0950 | 0.1050 | 21,300 | 0.0100 | | 10.53 | |
| OM | Osisko Metals Incorporated | 0.5500 | 0.5200 | 0.5400 | 158,669 | -0.0100 | | 1.82 | |
| OML | Omni-Lite Industries Canada Inc | 0.9500 | 0.9400 | 0.9500 | 6,000 | 0.0700 | | 7.95 | |
| OMM | Omineca Mining and Metals Ltd | 0.0250 | 0.0250 | 0.0250 | 2,000 | 0.0000 | | 0.00 | |
| ONE | 01 Communique Laboratory Inc | 0.0750 | 0.0600 | 0.0700 | 120,000 | -0.0050 | | 6.67 | |
| ONV | Oronova Energy Inc | 0.1050 | 0.0750 | 0.0750 | 21,125 | -0.0350 | | 31.82 | |
| OOO | Otis Gold Corp | 0.0950 | 0.0850 | 0.0950 | 19,000 | 0.0050 | | 5.56 | |
| OOR | Opus One Resources Inc | 0.0200 | 0.0200 | 0.0200 | 244,000 | 0.0000 | | 0.00 | |
| OPW | Opawica Explorations Inc | 0.0400 | 0.0400 | 0.0400 | 1,000 | 0.0000 | | 0.00 | |
| ORC.B | Orca Exploration Group Inc Cl B | 5.140 | 5.130 | 5.140 | 3,500 | 0.000 | | 0.00 | |
| ORE | Orezone Gold Corp | 0.5500 | 0.5300 | 0.5300 | 14,200 | -0.0100 | | 1.85 | |
| ORG | Orca Gold Inc | 0.4400 | 0.4200 | 0.4400 | 148,640 | 0.0100 | | 2.33 | |
| ORM | Orford Mining Corporation | 0.1100 | 0.1100 | 0.1100 | 2,500 | 0.0000 | | 0.00 | |
| ORO | New Oroperu Resources Inc | 0.3250 | 0.3150 | 0.3250 | 4,000 | 0.0100 | | 3.17 | |
| ORS | Orestone Mining Corp | 0.1000 | 0.1000 | 0.1000 | 4,500 | -0.0050 | | 4.76 | |
| ORX | Orefinders Resources Inc | 0.0500 | 0.0450 | 0.0500 | 101,000 | 0.0100 | | 25.00 | |
| OS | Osprey Gold Development Ltd | 0.0500 | 0.0500 | 0.0500 | 1,000 | 0.0000 | | 0.00 | |
| OSI | Osino Resources Corp | 0.2650 | 0.2500 | 0.2500 | 163,225 | 0.0000 | | 0.00 | |
| OSS | Onesoft Solutions Inc | 0.4750 | 0.4600 | 0.4600 | 44,499 | 0.0000 | | 0.00 | |
| OSU | Orsu Metals Corp | 0.3000 | 0.2800 | 0.3000 | 23,550 | 0.0000 | | 0.00 | |
| OVT | Oculus Visiontech Inc | 0.1000 | 0.0900 | 0.1000 | 43,000 | 0.0200 | | 25.00 | |
| OY | Oyster Oil and Gas Ltd | 0.0400 | 0.0400 | 0.0400 | 4,810 | 0.0000 | | 0.00 | |
| OYL | Cgx Energy Inc | 0.4000 | 0.3600 | 0.3600 | 13,238 | -0.0400 | | 10.00 | |