Good charts are crucial for trading in the financial Markets, this does not matter of you trade Binary Options or forex.
The charts should have all the elements of the industry visible in a clear and accurate manner.
Many traders have additional charting software open on another second display while they are trading as the charting in Binary options in general leaves something to desire. most charting solutions the brokers offer do not allow you to add all kinds of indicators and lines as you might use in trading Forex, this does not make them any less important for trading Binary Options thou.
below you see a very good chart this you can have open while trading Binary Options.