| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OAM | Overactive Media Corp | 0.2450 | 0.2400 | 0.2450 | 2,000 | 0.0000 |  | 0.00 |   |
| OC | Olive Resource Capital Inc | 0.0400 | 0.0400 | 0.0400 | 45,000 | 0.0000 | | 0.00 | |
| OCG | Outcrop Silver & Gold Corp | 0.2550 | 0.2450 | 0.2550 | 228,166 | 0.0050 |  | 2.00 | |
| OCI | Orecap Invest Corp | 0.0700 | 0.0700 | 0.0700 | 288,000 | 0.0000 | | 0.00 | |
| OCO | Oroco Resource Corp | 0.3000 | 0.2900 | 0.2950 | 22,213 | 0.0100 | | 3.51 | |
| ODD | Odd Burger Corp | 0.2150 | 0.2100 | 0.2100 | 23,238 | -0.0050 |  | 2.33 | |
| ODV | Osisko Development Corp | 3.100 | 3.070 | 3.085 | 4,522 | 0.055 | | 1.82 | |
| ODV.WT.A | Osisko Development Corp Wts A | 0.0700 | 0.0600 | 0.0650 | 37,500 | 0.0050 | | 8.33 | |
| ODV.WT.B | Osisko Development Corp Wts B | 0.0400 | 0.0200 | 0.0400 | 90,000 | 0.0250 | | 166.67 | |
| ODV.WT.U | Osisko Development Corp Wts USD | 0.1800 | 0.1800 | 0.1800 | 5,165 | 0.0300 | | 20.00 | |
| ODV.WT.V | | 0.5700 | 0.5400 | 0.5700 | 1,000 | 0.0300 | | 5.56 | |
| ODX.H | Odyssey Resources Ltd | 0.0500 | 0.0500 | 0.0500 | 25,000 | 0.0050 | | 11.11 | |
| OEC.H | Oracle Energy Corp | 0.0350 | 0.0350 | 0.0350 | 80,000 | -0.0050 | | 12.50 | |
| OGN | Orogen Royalties Inc | 2.150 | 1.970 | 2.080 | 169,901 | 0.110 | | 5.58 | |
| OGO | Organto Foods Inc | 0.5300 | 0.5200 | 0.5200 | 168,277 | 0.0000 | | 0.00 | |
| OLV | Olivut Resources Ltd | 0.0550 | 0.0550 | 0.0550 | 5,000 | 0.0000 | | 0.00 | |
| OM | Osisko Metals Incorporated | 0.4300 | 0.4050 | 0.4100 | 207,208 | -0.0150 | | 3.53 | |
| OMG | Omai Gold Mines Corp | 0.6300 | 0.6000 | 0.6200 | 198,372 | 0.0000 | | 0.00 | |
| OMI | Orosur Mining Inc | 0.1400 | 0.1300 | 0.1300 | 162,500 | -0.0100 | | 7.14 | |
| OML | Omni-Lite Industries Canada Inc | 1.250 | 1.220 | 1.250 | 6,600 | 0.030 | | 2.46 | |
| OMM | Omineca Mining and Metals Ltd | 0.0500 | 0.0500 | 0.0500 | 43,000 | 0.0000 | | 0.00 | |
| OMR.H | Ord Mountain Resources Corp | 0.0650 | 0.0650 | 0.0650 | 10,000 | 0.0000 | | 0.00 | |
| ONAU | Ongold Resources Ltd | 0.4250 | 0.4250 | 0.4250 | 9,500 | 0.0000 | | 0.00 | |
| ONE | 01 Communique Laboratory Inc | 0.4000 | 0.3900 | 0.3900 | 8,500 | -0.0100 | | 2.50 | |
| ONV.H | Oronova Energy Inc | 0.0950 | 0.0950 | 0.0950 | 7,000 | 0.0000 | | 0.00 | |
| ONYX | Onyx Gold Corp | 2.250 | 1.960 | 2.200 | 91,214 | 0.260 | | 13.40 | |
| OOR | Opus One Gold Corp | 0.0600 | 0.0600 | 0.0600 | 6,000 | -0.0050 | | 7.69 | |
| OPHR | Ophir Metals Corp | 0.0500 | 0.0500 | 0.0500 | 73,333 | -0.0050 | | 9.09 | |
| OPW | Opawica Explorations Inc | 0.1200 | 0.1200 | 0.1200 | 101,628 | 0.0000 | | 0.00 | |
| ORC.B | Orca Energy Group Inc Cl B | 3.390 | 3.390 | 3.390 | 200 | 0.020 | | 0.59 | |
| ORCL | Oracle Commodity Holding Corp | 0.0200 | 0.0200 | 0.0200 | 3,090 | -0.0050 | | 20.00 | |
| ORS | Orestone Mining Corp | 0.1050 | 0.0950 | 0.1050 | 103,897 | 0.0000 | | 0.00 | |
| OTC | Ocumetics Technology Corp | 0.4000 | 0.3900 | 0.3900 | 2,500 | -0.0100 | | 2.50 | |
| OTGO.H | O2Gold Inc | 0.0300 | 0.0300 | 0.0300 | 48,000 | -0.0050 | | 14.29 | |
| OTS.H | Optimus Gold Corp | 0.0650 | 0.0650 | 0.0650 | 1,659 | 0.0050 | | 8.33 | |
| OVL.H | Olivier Ventures Inc | 0.0300 | 0.0300 | 0.0300 | 5,000 | 0.0000 | | 0.00 | |
| OVT | Oculus Inc | 0.0500 | 0.0500 | 0.0500 | 6,100 | 0.0000 | | 0.00 | |
| OWN | Rex Resources Corp | 0.0800 | 0.0800 | 0.0800 | 20,000 | 0.0000 | | 0.00 | |
| OYL | Cgx Energy Inc | 0.1100 | 0.1000 | 0.1100 | 35,869 | 0.0150 | | 15.79 | |
| OZ | Valkea Resources Corp | 0.4150 | 0.3800 | 0.4000 | 70,047 | 0.0300 | | 8.11 | |