Potential : GBPJPY and EURJPY >
On the upside : +4700 and +3200 pips.
On the downside : +3000 and +2100 pips.
The brexit referendum is for the 23rd june of 2016.
If the votes are favorable for it, EUR pairs will go down, GBP pairs could go up but it is unsure.
Otherwise EUR pairs will go up and GBP pairs could go down (also unsure, they could stay flat).