SMM July 28th: today, the spot price of electrolytic copper in Shanghai is quoted for that month's contract: 30 yuan / ton to 100 yuan / ton, flat copper price 51900 yuan / ton to 52040 yuan / ton, copper price 51950 yuan / ton to 52080 yuan / ton. Copper in Shanghai opened high and went low, with 52000 yuan / ton under pressure falling below 51700 yuan / ton. The market stops and wait and see, the holder continues to quote yesterday, and the price trend remains the same. the price of good copper in the morning market is 80 yuan / ton, and the monthly ticket price of flat copper is around 50 yuan / ton. the monthly ticket price of flat copper is 30-40 yuan / ton, and the transaction is still stuck in a stalemate. Traders prefer to raise water by 30 yuan / ton, and the transaction is slightly improved, and the supply of good copper is still tight, maintaining in the range of 80 yuan / ton, the price of rising water is still in the range of 100 yuan / ton, the price of good copper is still tight, and the supply of good copper is still tight, which is maintained in the range of 100 yuan / ton of rising water. Wet copper to maintain yesterday's discount of 60 to 20 yuan / ton, the transaction is general, there are great differences between brands, coupled with bill factors lead to serious differentiation of wet copper price difference. Today's demand for monthly tickets has obviously lost momentum, the market has been mostly quoted for next month's tickets, the market price reduction is limited, traders are cautious in receiving goods, and the transaction shows a stalemate.