SMM May 12: today, the spot price of electrolytic copper in Shanghai is 70 yuan / ton ~ 30 yuan / ton, the flat copper transaction price is 43530 yuan / ton ~ 43620 yuan / ton, and the rising copper transaction price is 43550 yuan / ton ~ 43630 yuan / ton. The rebound of copper futures fell back to 43600 yuan / ton, and the monthly price spread widened to more than 230 yuan / ton compared with yesterday. The continued expansion of the monthly spread has strengthened the willingness of holders to sell goods and further expand the discount. Good copper quotation in the morning market began in Pingshui, Pingshui copper quotation discount 20 yuan / ton, the whole difficult to say deal, soon the market comprehensive discount showed a downward trend all the way to expand, Pingshui copper leading downgrade to low discount 70 yuan / ton, good copper quotation reduced discount 50 yuan / ton, wet copper down to 110 yuan / ton, speculators favor low price supply, bargain buying is OK, the market performance activity has improved significantly compared with yesterday, the price of copper is reduced by 50 yuan / ton, wet copper is reduced to 110 yuan / ton, speculators favor low price supply, bargain buying is fair, and the market performance is significantly higher than yesterday. Increased willingness to receive goods. Entering the second section of trading, good copper quotation narrowed to 40 yuan / ton, flat copper narrowed to 50 yuan / ton, wet method maintained at 100 yuan / ton. The fluctuation of monthly difference continues to lead the market, the expansion of discount still attracts some traders to receive goods, and most of the market transactions are the buying and selling period in which speculative traders make use of the monthly difference before delivery.