| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OAM | Overactive Media Corp | 0.2450 | 0.2450 | 0.2450 | 1,676 | 0.0200 |  | 8.89 |   |
| OC | Olive Resource Capital Inc | 0.0400 | 0.0350 | 0.0350 | 313,000 | -0.0050 |  | 12.50 | |
| OCG | Outcrop Silver & Gold Corp | 0.2400 | 0.2350 | 0.2350 | 262,143 | -0.0030 | | 1.26 | |
| OCI | Orecap Invest Corp | 0.0700 | 0.0700 | 0.0700 | 36,000 | 0.0000 |  | 0.00 | |
| OCO | Oroco Resource Corp | 0.2900 | 0.2800 | 0.2800 | 75,122 | -0.0200 | | 6.67 | |
| ODD | Odd Burger Corp | 0.2000 | 0.2000 | 0.2000 | 6,500 | 0.0250 | | 14.29 | |
| ODV | Osisko Development Corp | 2.990 | 2.840 | 2.920 | 18,652 | 0.040 | | 1.39 | |
| 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 | 0.0150 | 0.0150 | 0.0150 | 10,000 | 0.0050 | | 50.00 | |
| ODV.WT.U | Osisko Development Corp Wts USD | 0.1800 | 0.1800 | 0.1800 | 5,165 | 0.0300 | | 20.00 | |
| ODV.WT.V | | 0.5600 | 0.5600 | 0.5600 | 67,000 | 0.0000 | | 0.00 | |
| ODX.H | Odyssey Resources Ltd | 0.0450 | 0.0450 | 0.0450 | 2,000 | 0.0050 | | 12.50 | |
| OEC.H | Oracle Energy Corp | 0.0500 | 0.0500 | 0.0500 | 1,000 | 0.0100 | | 25.00 | |
| OGN | Orogen Royalties Inc | 1.930 | 1.890 | 1.910 | 168,430 | -0.010 | | 0.52 | |
| OGO | Organto Foods Inc | 0.5400 | 0.5100 | 0.5200 | 174,529 | 0.0100 | | 1.96 | |
| OLV | Olivut Resources Ltd | 0.0450 | 0.0450 | 0.0450 | 1,000 | -0.0050 | | 10.00 | |
| OM | Osisko Metals Incorporated | 0.4300 | 0.4200 | 0.4300 | 306,854 | 0.0250 | | 6.17 | |
| OMG | Omai Gold Mines Corp | 0.5600 | 0.5300 | 0.5500 | 561,397 | 0.0000 | | 0.00 | |
| OMI | Orosur Mining Inc | 0.1650 | 0.1550 | 0.1600 | 41,500 | 0.0050 | | 3.23 | |
| OML | Omni-Lite Industries Canada Inc | 1.160 | 1.150 | 1.160 | 14,444 | 0.010 | | 0.87 | |
| OMM | Omineca Mining and Metals Ltd | 0.0450 | 0.0450 | 0.0450 | 20,500 | -0.0050 | | 10.00 | |
| OMR.H | Ord Mountain Resources Corp | 0.0650 | 0.0650 | 0.0650 | 10,000 | 0.0000 | | 0.00 | |
| ONAU | Ongold Resources Ltd | 0.4200 | 0.4200 | 0.4200 | 1,500 | -0.0300 | | 6.67 | |
| ONE | 01 Communique Laboratory Inc | 0.4000 | 0.3500 | 0.3750 | 29,161 | 0.0450 | | 13.64 | |
| ONV.H | Oronova Energy Inc | 0.0950 | 0.0950 | 0.0950 | 20,000 | -0.0500 | | 34.48 | |
| ONYX | Onyx Gold Corp | 2.190 | 1.840 | 2.080 | 209,393 | -0.010 | | 0.48 | |
| OOR | Opus One Gold Corp | 0.0750 | 0.0650 | 0.0650 | 5,000 | -0.0050 | | 7.14 | |
| OPHR | Ophir Metals Corp | 0.0550 | 0.0550 | 0.0550 | 38,000 | 0.0000 | | 0.00 | |
| OPW | Opawica Explorations Inc | 0.1200 | 0.1100 | 0.1100 | 209,846 | -0.0300 | | 21.43 | |
| ORC.B | Orca Energy Group Inc Cl B | 3.400 | 3.220 | 3.390 | 12,800 | 0.080 | | 2.42 | |
| ORCL | Oracle Commodity Holding Corp | 0.0250 | 0.0250 | 0.0250 | 10,900 | 0.0050 | | 25.00 | |
| ORS | Orestone Mining Corp | 0.0750 | 0.0750 | 0.0750 | 14,000 | 0.0050 | | 7.14 | |
| OTC | Ocumetics Technology Corp | 0.3900 | 0.3700 | 0.3800 | 52,450 | 0.0100 | | 2.70 | |
| 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 | 0.0350 | 0.0300 | 0.0300 | 7,020 | -0.0200 | | 40.00 | |
| OVT | Oculus Inc | 0.0600 | 0.0450 | 0.0550 | 186,221 | 0.0100 | | 22.22 | |
| OWN | Rex Resources Corp | 0.0900 | 0.0800 | 0.0800 | 29,000 | 0.0000 | | 0.00 | |
| OYL | Cgx Energy Inc | 0.0900 | 0.0850 | 0.0900 | 107,910 | 0.0100 | | 12.50 | |
| OZ | Valkea Resources Corp | 0.3300 | 0.3100 | 0.3200 | 133,815 | 0.0000 | | 0.00 | |