What are the meanings of London copper, Shanghai copper and Yangtze copper in metal quotation, and what is the relationship between them?
Both London copper and Shanghai copper quote futures prices, London copper is LME copper (London Metal Exchange) copper futures price, and Shanghai copper is Shanghai Futures Exchange (SHFE) copper futures price; Yangtze River Copper quoted spot copper price (spot price of Yangtze River nonferrous metals). Futures prices usually reflect the future trend of spot prices, and futures mean expectations.