The price of US copper producer grade 110 saw a one percent increase on June 20, 2012, making it the biggest mover for the day on our daily copper price index. The price of US copper producer grade 122 also finished the market day up one percent. US copper producer grade 102 prices increased 0.9 percent, while the cash price of primary Japanese copper held steady at above $8,000 per metric ton.
Chinese and LME copper prices, meanwhile, were generally up for the day.
Chinese copper wire finished the day up 0.3 percent. The price of Chinese copper bar has been on the rise for seven days and is now in the mid-$8,900s per metric ton. The cash price of Chinese copper has been on the rise for seven days and is now below $9,000 per metric ton. At under $7,400 per metric ton, the price of Chinese bright copper scrap was essentially unchanged.
On the LME, the cash price of primary copper inched up 0.4 percent to $7,505 per metric ton. After a 0.4 percent increase, the 3-month price of copper finished the day on the LME at $7,510 per metric ton.