Can I open several charts on one symbol?
Yes, you can open several charts on one symbol. You can open a chart by clicking with the right button of the mouse on any ticker in you Watchlist, Portfolio or Account view and press "Intraday Charts for ..." or "Historical Charts for ...".
The fastest way to open a new Intraday chart is by clicking Ctrl+ I (if you did not change primary hot keys).
The fastest way to open a new Historical chart is by clicking Ctrl+ H (if you did not change primary hot keys).
You can configure the new chart according to your preferences.