SMM, May 15: Shanghai electrolytic copper spot contract today rose 30 ~ 80 yuan / ton, Pingshui copper transaction price 43260 yuan / ton ~ 43400 yuan / ton, Shengshui copper transaction price 43280 yuan / ton ~ 43420 yuan / ton. Shanghai copper main force was blocked 43200 yuan / ton after falling back in the vicinity of 43100 yuan / ton, today is the last trading day of the 2005 contract, the monthly spread continues to narrow, frequently passive in the range of 70 yuan / ton, but the market has quoted 2006 contracts, good copper to 2006 contract quoted water 140 ~ 160 yuan / ton, Pingshui copper 130 ~ 150 yuan / ton, wet copper 90 ~ 110 yuan / ton, low price transaction shows initiative. The market quotation for the 2005 contract of the current month is concentrated in the range of 30 yuan / ton to 80 yuan / ton. Downstream to maintain the need to receive goods, speculative traders favor flat copper, low water transaction activity is OK, today's bargain transactions continue to improve, spot inventory continues to decline significantly, the performance of downstream orders and demand is stable, traders speculative buying does not decrease, next Monday after the water will remain strong.