| MAP | Maple Peak Investments Inc | 0.1500 | 0.1200 | 0.1300 | 4.6K | -0.1150 | | 46.94 | |
| MCA.H | Milner Consolidated Silver Mines Ltd | 0.0350 | 0.0300 | 0.0300 | 20.0K | -0.0050 | | 14.29 | |
| MHI | Mineral Hill Industries Ltd | 0.0800 | 0.0550 | 0.0700 | 685.5K | -0.0350 | | 33.33 | |
| MINK | Mink Ventures Corporation | 0.1250 | 0.0850 | 0.0950 | 38.0K | -0.0250 | | 20.83 | |
| MON | Montero Mining and Exploration Ltd | 0.4350 | 0.3950 | 0.4000 | 36.9K | -0.0250 | | 5.88 | |
| MONA.P | Monarch West Ventures Inc | 0.0750 | 0.0750 | 0.0750 | 53.0K | -0.0200 | | 21.05 | |
| MSG | Mithril Silver and Gold Limited | 0.5000 | 0.4800 | 0.5000 | 71.5K | 0.0400 | | 8.70 | |
| MSP | Minaean SP Construction Corp | 0.0650 | 0.0200 | 0.0200 | 226.5K | -0.0400 | | 66.67 | |
| MTA | Metalla Royalty & Streaming Ltd | 9.930 | 9.540 | 9.740 | 54.7K | -0.070 | | 0.71 | |
| MTLO | Martello Technologies Group Inc | 0.0150 | 0.0100 | 0.0150 | 257.0K | 0.0050 | | 50.00 | |