| Code | Name | High | Low | Close | Volume | Change | |
|---|
| OAM | Overactive Media Corp | 0.2900 | 0.2850 | 0.2850 | 29,077 | 0.0050 |  | 1.79 |   |
| OC | Olive Resource Capital Inc | 0.0550 | 0.0500 | 0.0500 | 60,538 | -0.0050 |  | 9.09 | |
| OCG | Outcrop Silver & Gold Corp | 0.3350 | 0.3050 | 0.3050 | 1,279,915 | -0.0100 | | 3.17 | |
| OCI | Orecap Invest Corp | 0.0700 | 0.0650 | 0.0700 | 391,090 | 0.0000 |  | 0.00 | |
| OCO | Oroco Resource Corp | 0.2800 | 0.2600 | 0.2650 | 98,549 | 0.0000 | | 0.00 | |
| ODD | Odd Burger Corp | 0.1800 | 0.1800 | 0.1800 | 7,454 | 0.0050 | | 2.86 | |
| ODV | Osisko Development Corp | 3.680 | 3.360 | 3.580 | 284,437 | 0.280 | | 8.48 | |
| 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 | 22,000 | 0.0500 | | 7.14 | |
| ODX.H | Odyssey Resources Ltd | 0.0450 | 0.0450 | 0.0450 | 6,000 | -0.0050 | | 10.00 | |
| OEC.H | Oracle Energy Corp | 0.0250 | 0.0250 | 0.0250 | 15,000 | -0.0100 | | 28.57 | |
| OGN | Orogen Royalties Inc | 1.550 | 1.480 | 1.490 | 114,561 | -0.020 | | 1.32 | |
| OGO | Organto Foods Inc | 0.5200 | 0.4950 | 0.5000 | 292,210 | -0.0300 | | 5.66 | |
| OLV | Olivut Resources Ltd | 0.0500 | 0.0500 | 0.0500 | 83,000 | -0.0050 | | 9.09 | |
| OM | Osisko Metals Incorporated | 0.4900 | 0.4650 | 0.4650 | 269,459 | -0.0150 | | 3.13 | |
| OMG | Omai Gold Mines Corp | 0.7100 | 0.6700 | 0.7000 | 709,970 | 0.0000 | | 0.00 | |
| OMI | Orosur Mining Inc | 0.1500 | 0.1500 | 0.1500 | 67,669 | 0.0050 | | 3.45 | |
| OML | Omni-Lite Industries Canada Inc | 1.550 | 1.470 | 1.550 | 12,783 | 0.020 | | 1.31 | |
| OMM | Omineca Mining and Metals Ltd | 0.0550 | 0.0550 | 0.0550 | 79,000 | 0.0000 | | 0.00 | |
| ONAU | Ongold Resources Ltd | 0.4500 | 0.4500 | 0.4500 | 1,625 | 0.0000 | | 0.00 | |
| ONE | 01 Communique Laboratory Inc | 0.4400 | 0.4150 | 0.4200 | 19,800 | -0.0100 | | 2.33 | |
| ONV.H | Oronova Energy Inc | 0.1500 | 0.0900 | 0.0900 | 22,300 | -0.0550 | | 37.93 | |
| ONYX | Onyx Gold Corp | 2.480 | 2.250 | 2.250 | 144,277 | -0.150 | | 6.25 | |
| OOR | Opus One Gold Corp | 0.0650 | 0.0650 | 0.0650 | 100,000 | 0.0000 | | 0.00 | |
| OPHR | Ophir Metals Corp | 0.0600 | 0.0500 | 0.0500 | 215,935 | 0.0000 | | 0.00 | |
| OPW | Opawica Explorations Inc | 0.1050 | 0.1000 | 0.1000 | 48,900 | 0.0000 | | 0.00 | |
| ORC.B | Orca Energy Group Inc Cl B | 3.200 | 3.200 | 3.200 | 200 | 0.000 | | 0.00 | |
| ORCL | Oracle Commodity Holding Corp | 0.0300 | 0.0250 | 0.0250 | 1,077,200 | 0.0050 | | 25.00 | |
| ORS | Orestone Mining Corp | 0.0850 | 0.0750 | 0.0800 | 651,998 | -0.0050 | | 5.88 | |
| OTC | Ocumetics Technology Corp | 0.3950 | 0.3900 | 0.3950 | 13,300 | 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 | 3,250 | -0.0100 | | 18.18 | |
| OWN | Rex Resources Corp | 0.0700 | 0.0700 | 0.0700 | 6,000 | -0.0100 | | 12.50 | |
| OYL | Cgx Energy Inc | 0.1700 | 0.1500 | 0.1500 | 34,269 | -0.0200 | | 11.76 | |
| OZ | Valkea Resources Corp | 0.5800 | 0.4600 | 0.5100 | 159,650 | 0.0800 | | 18.60 | |