| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OCN | Oceanus Resources Corp | 0.2800 | 0.2800 | 0.2800 | 28,838 | -0.0100 |  | 3.45 |   |
| OCO | Oroco Resource Corp | 0.0650 | 0.0600 | 0.0600 | 108,000 | 0.0000 |  | 0.00 | |
| ODX.H | Odyssey Resources Ltd | 0.0400 | 0.0400 | 0.0400 | 100,000 | 0.0000 | | 0.00 | |
| OEE | Memex Inc | 0.1900 | 0.1800 | 0.1800 | 144,050 | -0.0050 | | 2.70 | |
| OG | Organic Garage Ltd | 0.2400 | 0.2200 | 0.2400 | 27,335 | 0.0200 |  | 9.09 | |
| OGI | Organigram Holdings Inc | 2.910 | 2.720 | 2.870 | 444,993 | 0.110 | | 3.99 | |
| OGI.WT | Organigram Holdings Inc Wts | 1.510 | 1.480 | 1.510 | 7,919 | 0.000 | | 0.00 | |
| OGO | Organto Foods Inc | 0.1500 | 0.1500 | 0.1500 | 17,000 | 0.0000 | | 0.00 | |
| OIC | Onecap Investment Corporation | 0.1450 | 0.1250 | 0.1450 | 36,150 | 0.0200 | | 16.00 | |
| OK | Ok2 Minerals Ltd | 0.0950 | 0.0900 | 0.0950 | 253,000 | 0.0000 | | 0.00 | |
| OLA | Orla Mining Ltd | 1.410 | 1.360 | 1.360 | 34,741 | -0.040 | | 2.86 | |
| OLV | Olivut Resources Ltd | 0.0900 | 0.0800 | 0.0900 | 25,000 | 0.0050 | | 5.88 | |
| OM | Osisko Metals Incorporated | 1.200 | 1.190 | 1.190 | 39,800 | -0.010 | | 0.83 | |
| OML | Omni-Lite Industries Canada Inc | 1.700 | 1.670 | 1.670 | 6,200 | -0.060 | | 3.47 | |
| OMM | Omineca Mining and Metals Ltd | 0.0300 | 0.0300 | 0.0300 | 1,000 | -0.0050 | | 14.29 | |
| ONE | 01 Communique Laboratory Inc | 0.0350 | 0.0350 | 0.0350 | 50,000 | 0.0000 | | 0.00 | |
| ONG | Bow Energy Ltd | 0.0750 | 0.0750 | 0.0750 | 2,000 | -0.0100 | | 11.76 | |
| OOO | Otis Gold Corp | 0.3000 | 0.2850 | 0.2900 | 96,000 | 0.0000 | | 0.00 | |
| OOR | Opus One Resources Inc | 0.0900 | 0.0900 | 0.0900 | 10,000 | -0.0250 | | 21.74 | |
| OPW | Opawica Explorations Inc | 0.0300 | 0.0250 | 0.0300 | 27,125 | 0.0050 | | 20.00 | |
| ORC.B | Orca Exploration Group Inc Cl B | 5.190 | 5.000 | 5.050 | 6,850 | -0.140 | | 2.70 | |
| ORE | Orezone Gold Corp | 0.6400 | 0.6200 | 0.6200 | 14,936 | 0.0000 | | 0.00 | |
| ORG | Orca Gold Inc | 0.6200 | 0.5800 | 0.5800 | 111,042 | -0.0100 | | 1.69 | |
| ORO | New Oroperu Resources Inc | 0.4200 | 0.4000 | 0.4200 | 22,548 | -0.0300 | | 6.67 | |
| ORR | Orofino Minerals Inc | 0.0800 | 0.0800 | 0.0800 | 3,332 | -0.0100 | | 11.11 | |
| ORS | Orestone Mining Corp | 0.0850 | 0.0800 | 0.0800 | 19,850 | -0.0050 | | 5.88 | |
| ORX | Orefinders Resources Inc | 0.0700 | 0.0650 | 0.0700 | 146,000 | 0.0000 | | 0.00 | |
| OS | Osprey Gold Development Ltd | 0.1800 | 0.1750 | 0.1800 | 90,600 | 0.0050 | | 2.86 | |
| OSS | Onesoft Solutions Inc | 0.2100 | 0.2000 | 0.2100 | 26,000 | 0.0100 | | 5.00 | |
| OSU | Orsu Metals Corp | 0.2000 | 0.1850 | 0.2000 | 11,000 | 0.0150 | | 8.11 | |
| OUP.H | Oriana Resources Corp | 0.0550 | 0.0550 | 0.0550 | 10,000 | -0.0050 | | 8.33 | |
| OVO.P | Ov2 Investment 1 Inc. | 0.2700 | 0.2700 | 0.2700 | 4,000 | -0.0050 | | 1.82 | |
| OVT | Oculus Visiontech Inc | 0.1050 | 0.0950 | 0.1050 | 29,000 | 0.0050 | | 5.00 | |
| OY | Oyster Oil and Gas Ltd | 0.4300 | 0.4300 | 0.4300 | 4,000 | -0.0200 | | 4.44 | |
| OYL | Cgx Energy Inc | 0.1050 | 0.1050 | 0.1050 | 4,000 | 0.0150 | | 16.67 | |