Commodity Insider - COMEX & Commodity Pricing
The Comex market cost of copper is updated weekly. The chart below includes the final market cost in each of the previous 5 months (light gray rows), as well as the weekly market cost during the current month (white rows).
DATE COST PER POUND
5/27/2011   $   4.1070
6/24/2011   $   4.0985
7/29/2011   $   4.4645
8/26/2011   $   4.0790
9/30/2011   $   3.2370
10/7/2011   $   3.2390
10/14/2011   $   3.3025