The relationship between supply and demand, macroeconomic situation, import and export policies, the expansion and substitution of copper consumption, the production cost of copper, the trading direction of funds and the price fluctuation of oil and other related commodities will also have an impact on copper prices. It is precisely because of these factors and the linkage of copper in the world that copper prices fluctuate greatly. Many factors need to be considered comprehensively to investigate the price fluctuation of copper.

The daily prices of CU 1205 and CU 1206 are definitely different. First of all, compared with its long-term June contract, factors that have an impact on short-term copper such as May may not necessarily have an impact or the impact may be smaller or larger than it, and the ups and downs are definitely different; Secondly, the two contracts face different uncertainties because of different delivery dates and different prices; Finally, from the spot point of view, the storage cost of contracts with different maturities can not be ignored, so generally speaking, the price of forward contracts is higher than that of recent contracts, that is, CU 1206 is higher than CU 1205.