Even though the copper price recovered to 3.10 quickly from last week, however copper price went range trend(pressure zone 3.22~3.05) since mid Oct to early Dec 17. Provided copper fail to break 3.17 in coming days then there will be high chance to form right shoulder pattern. Then, short trade is preferred. Initial target is short till 2.90 (potential neckline). After that, to be observe