“Until the Chinese economy picks up and starts using up the supply that is out there, I can’t see copper trading much higher,” James Cordier, a principal at Liberty Trading Group, said in the WSJ article. “Unfortunately, there are no signs of that happening right now.”

JJC tracks the Dow Jones-UBS Copper Subindex Total Return and CPER follows the SummerHaven Copper Index Total Return. Both indices are comprised of copper futures, but JJC only tracks one futures contract while CPER spreads out holdings over two or three copper futures contracts.

iPath Dow Jones-UBS Copper Subindex Total Return ETN

For more information on copper, visit our copper category.