| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OCN | Oceanus Resources Corp | 0.2250 | 0.2250 | 0.2250 | 22,000 | 0.0000 |  | 0.00 |   |
| OCO | Oroco Resource Corp | 0.1600 | 0.1600 | 0.1600 | 9,500 | -0.0050 |  | 3.03 | |
| ODX.H | Odyssey Resources Ltd | 0.0350 | 0.0350 | 0.0350 | 1,050 | 0.0000 | | 0.00 | |
| OEC | Oracle Energy Corp | 0.1450 | 0.1400 | 0.1400 | 2,160 | -0.0100 | | 6.67 | |
| OEE | Memex Inc | 0.0700 | 0.0650 | 0.0700 | 110,000 | 0.0000 | | 0.00 | |
| OEG | Onenergy Inc | 0.1550 | 0.1500 | 0.1500 | 15,000 | -0.0500 | | 25.00 | |
| OG | Organic Garage Ltd | 0.2400 | 0.2400 | 0.2400 | 7,300 | 0.0000 | | 0.00 | |
| OGI | Organigram Holdings Inc | 4.010 | 3.810 | 3.990 | 402,650 | 0.110 |  | 2.84 | |
| OGI.DB | Organigram Holdings Inc 6.00 Pct Debs | 93.50 | 93.00 | 93.50 | 17,000 | 1.50 | | 1.63 | |
| OGI.WT.A | Organigram Holdings Inc Wts | 0.8900 | 0.8500 | 0.8700 | 166,235 | 0.0100 | | 1.16 | |
| OGO | Organto Foods Inc | 0.0700 | 0.0700 | 0.0700 | 18,000 | 0.0000 | | 0.00 | |
| OIC | Onecap Investment Corporation | 0.1100 | 0.1100 | 0.1100 | 11,336 | 0.0000 | | 0.00 | |
| OK | Ok2 Minerals Ltd | 0.0500 | 0.0500 | 0.0500 | 24,000 | 0.0000 | | 0.00 | |
| OLA | Orla Mining Ltd | 1.460 | 1.400 | 1.460 | 56,876 | 0.060 | | 4.29 | |
| OLV | Olivut Resources Ltd | 0.1150 | 0.1150 | 0.1150 | 500 | 0.0050 | | 4.55 | |
| OM | Osisko Metals Incorporated | 0.7000 | 0.6600 | 0.6800 | 44,987 | 0.0000 | | 0.00 | |
| OML | Omni-Lite Industries Canada Inc | 1.380 | 1.380 | 1.380 | 3,050 | -0.020 | | 1.43 | |
| OMM | Omineca Mining and Metals Ltd | 0.0250 | 0.0250 | 0.0250 | 1,750 | 0.0000 | | 0.00 | |
| OMNI | Omni Commerce Corp. | 0.2400 | 0.1800 | 0.1900 | 115,000 | 0.0200 | | 11.76 | |
| ONE | 01 Communique Laboratory Inc | 0.0600 | 0.0600 | 0.0600 | 84,500 | 0.0000 | | 0.00 | |
| ONV | Oronova Energy Inc | 0.1150 | 0.1050 | 0.1150 | 40,000 | 0.0100 | | 9.52 | |
| OOO | Otis Gold Corp | 0.2950 | 0.2800 | 0.2900 | 118,355 | 0.0250 | | 9.43 | |
| OOR | Opus One Resources Inc | 0.0800 | 0.0800 | 0.0800 | 10,000 | 0.0000 | | 0.00 | |
| OPW | Opawica Explorations Inc | 0.0700 | 0.0700 | 0.0700 | 17,000 | 0.0000 | | 0.00 | |
| ORC.B | Orca Exploration Group Inc Cl B | 5.500 | 5.500 | 5.500 | 7,000 | -0.010 | | 0.18 | |
| ORE | Orezone Gold Corp | 0.9200 | 0.8900 | 0.9100 | 69,940 | 0.0100 | | 1.11 | |
| ORG | Orca Gold Inc | 0.6000 | 0.5800 | 0.5800 | 170,974 | -0.0300 | | 4.92 | |
| ORM | Orford Mining Corporation | 0.2900 | 0.2900 | 0.2900 | 5,500 | 0.0250 | | 9.43 | |
| ORO | New Oroperu Resources Inc | 0.4450 | 0.3500 | 0.4450 | 2,450 | 0.1650 | | 58.93 | |
| ORS | Orestone Mining Corp | 0.1050 | 0.0900 | 0.0900 | 30,000 | -0.0100 | | 10.00 | |
| ORX | Orefinders Resources Inc | 0.1050 | 0.1000 | 0.1050 | 98,000 | -0.0050 | | 4.55 | |
| OS | Osprey Gold Development Ltd | 0.0800 | 0.0750 | 0.0800 | 81,499 | 0.0000 | | 0.00 | |
| OSS | Onesoft Solutions Inc | 0.4600 | 0.4550 | 0.4550 | 46,000 | -0.0050 | | 1.09 | |
| OSU | Orsu Metals Corp | 0.1850 | 0.1800 | 0.1800 | 5,000 | -0.0050 | | 2.70 | |
| OVT | Oculus Visiontech Inc | 0.1000 | 0.1000 | 0.1000 | 4,000 | 0.0050 | | 5.26 | |
| OWL.P | Two Owls Ventures Corp | 0.1450 | 0.1350 | 0.1450 | 20,000 | -0.0250 | | 14.71 | |
| OY | Oyster Oil and Gas Ltd | 0.2600 | 0.2500 | 0.2600 | 31,986 | -0.0050 | | 1.89 | |
| OYL | Cgx Energy Inc | 0.2200 | 0.2000 | 0.2000 | 8,769 | -0.0400 | | 16.67 | |