| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OCG | Outcrop Gold Corp | 0.1400 | 0.1200 | 0.1250 | 51,880 | 0.0000 |  | 0.00 |   |
| OCN | Oceanus Resources Corp | 0.0700 | 0.0700 | 0.0700 | 5,594 | 0.0000 | | 0.00 | |
| OCO | Oroco Resource Corp | 0.2150 | 0.2000 | 0.2000 | 84,485 | -0.0200 |  | 9.09 | |
| ODX.H | Odyssey Resources Ltd | 0.0150 | 0.0150 | 0.0150 | 1,000 | -0.0350 | | 70.00 | |
| OEE | Memex Inc | 0.0150 | 0.0100 | 0.0100 | 402,000 | 0.0000 | | 0.00 | |
| OG | Organic Garage Ltd | 0.0950 | 0.0900 | 0.0950 | 28,000 | 0.0050 |  | 5.56 | |
| OGO | Organto Foods Inc | 0.0400 | 0.0400 | 0.0400 | 50,000 | -0.0050 | | 11.11 | |
| OIC | Origin Gold Corporation | 0.0700 | 0.0650 | 0.0650 | 34,000 | -0.0150 | | 18.75 | |
| OIII | O3 Mining Inc | 1.500 | 1.450 | 1.490 | 5,400 | -0.010 | | 0.67 | |
| OLV | Olivut Resources Ltd | 0.0500 | 0.0500 | 0.0500 | 2,000 | 0.0000 | | 0.00 | |
| OM | Osisko Metals Incorporated | 0.3750 | 0.3600 | 0.3700 | 108,300 | 0.0200 | | 5.71 | |
| OML | Omni-Lite Industries Canada Inc | 0.7200 | 0.7000 | 0.7200 | 4,000 | 0.0400 | | 5.88 | |
| OMM | Omineca Mining and Metals Ltd | 0.1600 | 0.1400 | 0.1500 | 137,000 | -0.0050 | | 3.23 | |
| OMR.H | Ord Mountain Resources Corp | 0.0750 | 0.0750 | 0.0750 | 2,000 | -0.0050 | | 6.25 | |
| ONE | 01 Communique Laboratory Inc | 0.1350 | 0.1350 | 0.1350 | 5,000 | -0.0050 | | 3.57 | |
| ONV.H | Oronova Energy Inc | 0.0650 | 0.0500 | 0.0500 | 35,000 | 0.0100 | | 25.00 | |
| OOO | Otis Gold Corp | 0.0950 | 0.0900 | 0.0950 | 370,998 | 0.0000 | | 0.00 | |
| OOR | Opus One Resources Inc | 0.0400 | 0.0400 | 0.0400 | 100,000 | -0.0050 | | 11.11 | |
| OPV | Optimum Ventures Ltd | 0.1600 | 0.1600 | 0.1600 | 5,000 | 0.0000 | | 0.00 | |
| OPW | Opawica Explorations Inc | 0.0550 | 0.0550 | 0.0550 | 6,006 | 0.0000 | | 0.00 | |
| ORC.A | Orca Exploration Group Inc. Cl A | 27.06 | 27.06 | 27.06 | 2,000 | 0.00 | | 0.00 | |
| ORC.B | Orca Exploration Group Inc Cl B | 5.290 | 4.860 | 5.120 | 7,760 | 0.040 | | 0.79 | |
| ORE | Orezone Gold Corp | 0.4500 | 0.4150 | 0.4300 | 149,517 | 0.0000 | | 0.00 | |
| ORE.WT | Orezone Gold Corporation Wts | 0.0650 | 0.0650 | 0.0650 | 10,000 | 0.0150 | | 30.00 | |
| ORG | Orca Gold Inc | 0.2700 | 0.2500 | 0.2500 | 74,500 | -0.0200 | | 7.41 | |
| ORM | Orford Mining Corporation | 0.0250 | 0.0250 | 0.0250 | 14,000 | 0.0000 | | 0.00 | |
| ORO | New Oroperu Resources Inc | 0.7000 | 0.7000 | 0.7000 | 57,000 | 0.0000 | | 0.00 | |
| ORS | Orestone Mining Corp | 0.0500 | 0.0450 | 0.0500 | 46,999 | 0.0050 | | 11.11 | |
| ORX | Orefinders Resources Inc | 0.0700 | 0.0600 | 0.0700 | 124,000 | 0.0100 | | 16.67 | |
| OS | Osprey Gold Development Ltd | 0.0500 | 0.0450 | 0.0500 | 64,779 | 0.0050 | | 11.11 | |
| OSI | Osino Resources Corp | 0.6400 | 0.6100 | 0.6100 | 11,613 | -0.0550 | | 8.27 | |
| OSS | Onesoft Solutions Inc | 0.2850 | 0.2550 | 0.2600 | 117,313 | -0.0200 | | 7.14 | |
| OSU | Orsu Metals Corp | 0.1400 | 0.1350 | 0.1400 | 12,000 | 0.0000 | | 0.00 | |
| OTSO | Otso Gold Corp. | 0.0500 | 0.0500 | 0.0500 | 11,000 | 0.0000 | | 0.00 | |
| OVT | Oculus Visiontech Inc | 0.2200 | 0.2000 | 0.2200 | 50,977 | 0.0200 | | 10.00 | |
| OYL | Cgx Energy Inc | 0.3600 | 0.2800 | 0.2800 | 81,270 | -0.0400 | | 12.50 | |