| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OAM | Overactive Media Corp | 0.3650 | 0.3250 | 0.3350 | 21,125 | 0.0100 |  | 3.08 |   |
| OC | Olive Resource Capital Inc | 0.0450 | 0.0450 | 0.0450 | 19,500 | 0.0000 |  | 0.00 | |
| OCG | Outcrop Silver & Gold Corp | 0.3000 | 0.2830 | 0.2950 | 843,314 | 0.0000 | | 0.00 | |
| OCI | Orecap Invest Corp | 0.0750 | 0.0700 | 0.0700 | 214,000 | 0.0000 | | 0.00 | |
| OCO | Oroco Resource Corp | 0.2650 | 0.2550 | 0.2650 | 234,363 | 0.0000 | | 0.00 | |
| ODD | Odd Burger Corp | 0.1800 | 0.1650 | 0.1650 | 18,758 | -0.0150 |  | 8.33 | |
| ODV | Osisko Development Corp | 3.690 | 3.400 | 3.440 | 41,369 | -0.160 | | 4.44 | |
| ODV.WT.B | Osisko Development Corp Wts B | 0.0400 | 0.0350 | 0.0400 | 32,000 | 0.0150 | | 60.00 | |
| ODV.WT.U | Osisko Development Corp Wts USD | 0.1800 | 0.1800 | 0.1800 | 5,165 | 0.0300 | | 20.00 | |
| ODV.WT.V | | 0.7500 | 0.7500 | 0.7500 | 10,000 | 0.0000 | | 0.00 | |
| ODX.H | Odyssey Resources Ltd | 0.0450 | 0.0450 | 0.0450 | 6,000 | -0.0050 | | 10.00 | |
| OEC.H | Oracle Energy Corp | 0.0350 | 0.0350 | 0.0350 | 60,000 | 0.0100 | | 40.00 | |
| OGN | Orogen Royalties Inc | 1.630 | 1.490 | 1.510 | 150,913 | -0.060 | | 3.82 | |
| OGO | Organto Foods Inc | 0.5200 | 0.5000 | 0.5100 | 107,528 | -0.0200 | | 3.77 | |
| OLV | Olivut Resources Ltd | 0.0550 | 0.0550 | 0.0550 | 2,000 | 0.0050 | | 10.00 | |
| OM | Osisko Metals Incorporated | 0.4700 | 0.4500 | 0.4700 | 109,908 | 0.0100 | | 2.17 | |
| OMG | Omai Gold Mines Corp | 0.6900 | 0.6500 | 0.6900 | 467,629 | 0.0100 | | 1.47 | |
| OMI | Orosur Mining Inc | 0.1400 | 0.1400 | 0.1400 | 20,500 | 0.0000 | | 0.00 | |
| OML | Omni-Lite Industries Canada Inc | 1.570 | 1.460 | 1.570 | 5,500 | 0.020 | | 1.29 | |
| OMM | Omineca Mining and Metals Ltd | 0.0550 | 0.0550 | 0.0550 | 55,000 | 0.0000 | | 0.00 | |
| ONAU | Ongold Resources Ltd | 0.4000 | 0.3800 | 0.4000 | 24,500 | 0.0000 | | 0.00 | |
| ONE | 01 Communique Laboratory Inc | 0.4150 | 0.3850 | 0.4100 | 104,940 | 0.0000 | | 0.00 | |
| ONV.H | Oronova Energy Inc | 0.1500 | 0.0900 | 0.0900 | 22,300 | -0.0550 | | 37.93 | |
| ONYX | Onyx Gold Corp | 2.390 | 2.130 | 2.160 | 74,348 | -0.200 | | 8.47 | |
| OOR | Opus One Gold Corp | 0.0750 | 0.0650 | 0.0750 | 49,569 | 0.0050 | | 7.14 | |
| OPHR | Ophir Metals Corp | 0.0500 | 0.0500 | 0.0500 | 139,000 | -0.0050 | | 9.09 | |
| OPW | Opawica Explorations Inc | 0.0950 | 0.0950 | 0.0950 | 26,500 | 0.0000 | | 0.00 | |
| ORC.B | Orca Energy Group Inc Cl B | 3.200 | 3.150 | 3.200 | 2,500 | 0.060 | | 1.91 | |
| ORCL | Oracle Commodity Holding Corp | 0.0300 | 0.0250 | 0.0250 | 351,268 | 0.0000 | | 0.00 | |
| ORS | Orestone Mining Corp | 0.0750 | 0.0750 | 0.0750 | 29,000 | 0.0000 | | 0.00 | |
| OTC | Ocumetics Technology Corp | 0.3950 | 0.3800 | 0.3950 | 9,240 | 0.0050 | | 1.28 | |
| OTGO.H | O2Gold Inc | 0.0300 | 0.0300 | 0.0300 | 3,000 | 0.0050 | | 20.00 | |
| 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 | 0.0450 | 0.0450 | 0.0450 | 14,000 | 0.0000 | | 0.00 | |
| OWN | Rex Resources Corp | 0.0700 | 0.0700 | 0.0700 | 6,000 | -0.0100 | | 12.50 | |
| OYL | Cgx Energy Inc | 0.1450 | 0.1400 | 0.1400 | 16,486 | 0.0050 | | 3.70 | |
| OZ | Valkea Resources Corp | 0.8300 | 0.6100 | 0.6200 | 561,510 | 0.0300 | | 5.08 | |