For Silver Wheaton, an ounce can be equal to quite a few pounds, or any other form of currency you wish to choose. The world's #1 precious metal streaming company, Silver Wheaton has streaming agreements with 19 operating mines and five development stage projects. Its portfolio includes precious metal and gold streams on HudBay’s Constancia project and Vale’s Salobo and Sudbury mines. It annually produces 36 million silver equivalent ounces, including 200,000 ounces of gold. By 2018, annual production is expected to be to 48 million silver equivalent ounces. Other than its initial upfront payment, Silver Wheaton has no ongoing capital or exploration costs, and does not hedge its production.