| MCA.H | Milner Consolidated Silver Mines Ltd | 0.0900 | 0.0900 | 0.0900 | 984 | -0.0200 | | 18.18 | |
| MCC | Morocco Strategic Minerals Corp | 0.1600 | 0.1450 | 0.1500 | 320.9K | -0.0100 | | 6.25 | |
| MEK | Metals Creek Resources Corp | 0.0450 | 0.0400 | 0.0450 | 270.4K | -0.0050 | | 10.00 | |
| MINK | Mink Ventures Corporation | 0.1500 | 0.1300 | 0.1500 | 22.0K | 0.0050 | | 3.45 | |
| MON | Montero Mining and Exploration Ltd | 0.5400 | 0.4800 | 0.5400 | 112.4K | 0.0600 | | 12.50 | |
| MONA.P | Monarch West Ventures Inc | 0.0600 | 0.0600 | 0.0600 | 35.0K | 0.0100 | | 20.00 | |
| MONT.PR.A | Timia Capital Corp Pref A | 0.0650 | 0.0650 | 0.0650 | 15.0K | -0.0350 | | 35.00 | |
| MONY.P | Harmony Acquisitions Corp | 0.0700 | 0.0700 | 0.0700 | 1.0K | 0.0050 | | 7.69 | |
| MSG | Mithril Silver and Gold Limited | 0.5500 | 0.5500 | 0.5500 | 128.5K | 0.0200 | | 3.77 | |
| MTA | Metalla Royalty & Streaming Ltd | 12.28 | 11.30 | 11.43 | 104.5K | 0.05 | | 0.44 | |
| MTLO | Martello Technologies Group Inc | 0.0050 | 0.0050 | 0.0050 | 23.0K | -0.0050 | | 50.00 | |