Shanghai Copper 1 hand rose from 30,000 to 60,000, and earned 1.5 million. Because Shanghai copper is 5 tons, (6-3) * 5 = 1.5 million. Shanghai copper refers to the copper futures products of Shanghai Futures Exchange. At present, there are gold, silver, copper, aluminum, zinc, lead, rebar, wire rod, fuel oil and natural rubber asphalt 1 1 futures contracts listed and traded in Shanghai Futures Exchange.