There are several ways to trade the harmonics.. Especially when completed at higher time frames. The most common is with placing an order at the D point, in this setup at 0.76640. As for stoploss you may place it below X point of the pattern.. I hope that helps!
Yes, but i truly believe that patterns in structure form and work well because something is happening in the world. Now Brexit is something to worry about but i will take this pattern because it has formed at a key level