US copper futures ended lower Monday, easing back from the prior session's two-year top, as investors reduced their risk exposure amid a recovering dollar and a first inventory build in six days. Copper for December delivery ended down 2.65 cents at $3.6640 per lb on the COMEX metals division of the New York Mercantile Exchange.
Range from $3.6530 to $3.7190, just below last Friday's peak at $3.7220, which marked the highest level for the third position futures contract since July 2008. COMEX estimated final copper futures volume at 20,857 lots, down from Friday's count at 27,123 lots. Open interest up 544 lots at 149,076 contracts as of October 1.