SMM May 22nd: today, the spot price of electrolytic copper in Shanghai is quoted for that month's contract: 150 yuan / ton to 170 yuan / ton, flat copper transaction price of 43680 yuan / ton to 43870 yuan / ton, and copper trading price of 43690 yuan / ton to 43880 yuan / ton. Today, copper in Shanghai gave up most of the gains in the week, and copper prices fell back to 43600 yuan / ton, a decline of more than 800 yuan / ton. The morning quotation is 150 to 170 yuan / ton, the good copper is concentrated in 160 yuan / ton, the copper in Pingshui is 150 yuan / ton, and the price of wet copper is higher than 110 yuan / ton to 130 yuan / ton. The sharp rise in the market decline remained stable, and the holders did not have the mood of yesterday's sharp sell-off, and some downstream entered the market for replenishment at bargain prices, and traders intended to raise the water level even lower, but there was no room for substantial price reduction yesterday, so they were slightly cautious. The spot quotation range is only around 10 yuan, and the overall trading market situation shows a wait-and-see cautious attitude.