| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OCN | Oceanus Resources Corp | 0.1950 | 0.1950 | 0.1950 | 7,000 | 0.0000 |  | 0.00 |   |
| OCO | Oroco Resource Corp | 0.2000 | 0.1900 | 0.2000 | 69,000 | 0.0100 |  | 5.26 | |
| ODX.H | Odyssey Resources Ltd | 0.0300 | 0.0300 | 0.0300 | 98,999 | 0.0050 | | 20.00 | |
| OEC | Oracle Energy Corp | 0.3000 | 0.2750 | 0.3000 | 18,000 | 0.0400 | | 15.38 | |
| OEE | Memex Inc | 0.0550 | 0.0500 | 0.0550 | 128,000 | 0.0000 | | 0.00 | |
| OG | Organic Garage Ltd | 0.2000 | 0.2000 | 0.2000 | 3,500 | 0.0050 | | 2.56 | |
| OGI | Organigram Holdings Inc | 5.540 | 5.230 | 5.330 | 893,744 | -0.170 |  | 3.09 | |
| OGI.DB | Organigram Holdings Inc 6.00 Pct Debs | 106.0 | 106.0 | 106.0 | 55,000 | 0.0 | | 0.00 | |
| OGI.WT.A | Organigram Holdings Inc Wts | 2.200 | 1.950 | 2.040 | 164,943 | -0.080 | | 3.77 | |
| OGO | Organto Foods Inc | 0.0700 | 0.0650 | 0.0650 | 82,000 | -0.0150 | | 18.75 | |
| OIC | Onecap Investment Corporation | 0.1150 | 0.1150 | 0.1150 | 15,500 | -0.0050 | | 4.17 | |
| OK | Ok2 Minerals Ltd | 0.0500 | 0.0500 | 0.0500 | 5,000 | 0.0050 | | 11.11 | |
| OLA | Orla Mining Ltd | 1.320 | 1.290 | 1.300 | 23,289 | 0.000 | | 0.00 | |
| OLV | Olivut Resources Ltd | 0.1150 | 0.1150 | 0.1150 | 780 | 0.0000 | | 0.00 | |
| OM | Osisko Metals Incorporated | 0.5500 | 0.5300 | 0.5400 | 14,000 | -0.0100 | | 1.82 | |
| OML | Omni-Lite Industries Canada Inc | 1.150 | 1.150 | 1.150 | 3,000 | -0.050 | | 4.17 | |
| OMM | Omineca Mining and Metals Ltd | 0.0350 | 0.0350 | 0.0350 | 5,000 | -0.0050 | | 12.50 | |
| OMNI | Omni Commerce Corp. | 0.1950 | 0.1400 | 0.1900 | 890,100 | 0.0300 | | 18.75 | |
| ONE | 01 Communique Laboratory Inc | 0.0350 | 0.0300 | 0.0300 | 258,868 | 0.0000 | | 0.00 | |
| ONV | Oronova Energy Inc | 0.0950 | 0.0950 | 0.0950 | 27,000 | 0.0000 | | 0.00 | |
| OOO | Otis Gold Corp | 0.2400 | 0.2150 | 0.2400 | 69,304 | 0.0100 | | 4.35 | |
| OOR | Opus One Resources Inc | 0.0650 | 0.0600 | 0.0650 | 30,000 | 0.0050 | | 8.33 | |
| OPW | Opawica Explorations Inc | 0.0550 | 0.0500 | 0.0500 | 55,000 | -0.0200 | | 28.57 | |
| ORC.B | Orca Exploration Group Inc Cl B | 5.550 | 5.480 | 5.500 | 5,504 | -0.080 | | 1.43 | |
| ORE | Orezone Gold Corp | 0.8600 | 0.8200 | 0.8200 | 92,531 | -0.0300 | | 3.53 | |
| ORG | Orca Gold Inc | 0.5900 | 0.5700 | 0.5700 | 10,000 | -0.0100 | | 1.72 | |
| ORM | Orford Mining Corporation | 0.1800 | 0.1800 | 0.1800 | 1,000 | 0.0000 | | 0.00 | |
| ORO | New Oroperu Resources Inc | 0.3350 | 0.3300 | 0.3300 | 18,500 | -0.0100 | | 2.94 | |
| ORS | Orestone Mining Corp | 0.1000 | 0.1000 | 0.1000 | 5,299 | 0.0000 | | 0.00 | |
| ORX | Orefinders Resources Inc | 0.1000 | 0.0850 | 0.0850 | 315,600 | -0.0150 | | 15.00 | |
| OS | Osprey Gold Development Ltd | 0.0700 | 0.0600 | 0.0650 | 206,014 | 0.0050 | | 8.33 | |
| OSS | Onesoft Solutions Inc | 0.4350 | 0.4300 | 0.4300 | 12,200 | -0.0200 | | 4.44 | |
| OSU | Orsu Metals Corp | 0.2300 | 0.2000 | 0.2000 | 111,508 | -0.0100 | | 4.76 | |
| OVT | Oculus Visiontech Inc | 0.1350 | 0.1300 | 0.1300 | 44,705 | -0.0050 | | 3.70 | |
| OWL.P | Two Owls Ventures Corp | 0.1350 | 0.1350 | 0.1350 | 10,000 | -0.0150 | | 10.00 | |
| OY | Oyster Oil and Gas Ltd | 0.1550 | 0.1500 | 0.1500 | 20,000 | -0.0300 | | 16.67 | |
| OYL | Cgx Energy Inc | 0.2050 | 0.1900 | 0.1900 | 14,113 | -0.0100 | | 5.00 | |