SMM May 15: today, Shanghai electrolytic copper spot on the current month contract quoted water 100 ~ water 200 yuan / ton, flat water copper transaction price 47550 yuan / ton ~ 47650 yuan / ton, water copper transaction price 47620 yuan / ton ~ 47700 yuan / ton. Shanghai copper continued to maintain 47500 yuan / ton position finishing. Today is the last trading day of the 1905 contract, the quotation is guided by the market spread, the contract spread between 110 and 140 yuan / ton fluctuates frequently every other month. The market inquiry is active, the monthly price difference is still fluctuating between 110 and 120 yuan / ton in the morning, the price quoted by the holder is 100 to 170 yuan / ton, the inquiry in the lower reaches is active, the trade is also active, and the willingness to receive goods continues to be obvious. As the price difference extends to 130 to 140 yuan per ton, good copper rises to 190 to 200 yuan per ton of water, and flat copper rises to 130 to 140 yuan per ton of water. Today, it is difficult to find wet copper, the offer is fully increased, and the quotation is raised to 40 to 70 yuan per ton of water. Some traders have taken the initiative to quote for the 1906 contract, which is intended to maintain a range of more than 10 yuan per ton for copper in flat water and 80 to 100 yuan per ton for good copper after the change of months.Therefore, compared with the offer for the contract in this morning market, there is still room for exploration in the market. The lunar difference before delivery and the rising trend after delivery form the activity of transaction in these two days.

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