Copper nearly took out the 2019 high today before reversing lower. The reversal also occurred after price spiked above the trendline from 2011. High today is also on the upper parallel of the channel from the March low. The reaction from massive overhead resistance strongly suggests that a high of importance is in place. Pay attention to the parallels within the channel from the March low (see below). The center line is near 2.84 and the lower parallel is near 2.71.