SMM, May 11: Shanghai electrolytic copper spot contract today rose 30 yuan / ton ~ 90 yuan / ton, Pingshui copper transaction price 44080 yuan / ton ~ 44160 yuan / ton, Shengshui copper transaction price 44090 yuan / ton ~ 44180 yuan / ton. Shanghai copper continued to rebound, the morning market quickly rose through the 44000 yuan / integer level. The opening spot quotation rose near 100 yuan / ton, but due to the continuous rebound in the market and the expansion of the monthly price spread caused by the rapid closing of positions in the same month to more than 200 yuan / ton, the holder's willingness to exchange cash has been greatly enhanced, and it is difficult to maintain a strong and rapid decline in the rising water. At about 10:00, the quotation has dropped to 50-60 yuan / ton, but it is still difficult to buy, the overall transaction is weak, the rising water has fallen directly to 40 yuan / ton of good copper, 30 yuan / ton of flat copper, the transaction has gradually shown an improvement, the wet quotation has been raised from the morning market of 30-40 yuan / ton, directly reduced to the discount, the second trading session is as low as 20 yuan / ton, near the end of the afternoon, wet copper has been reported 50 yuan / ton. Pingshui copper in flat water ~ water 10 yuan / ton, good copper water 10 ~ 20 yuan / ton. This week approaching delivery, the monthly price spread has expanded to 200 yuan / ton, rising water has been difficult to top, the exchange of goods dumped greatly, the willingness to trade speculation decreased, downstream fear of heights, supply over demand state highlights the spot rising water may quickly slide to the discount pattern before delivery this week.