The Pound/Swiss Franc cross is a lower volatility pair that is tempered by the currencies' economic and geographic proximity. The Swiss Franc is considered a benchmark safe haven currency due to its history as a refuge for wealthy individuals from foreign shores looking to safe guard capital. In turn, the British Pound is one of the premier reserve currencies and represents the world's largest financial center.
Polling for the UK-EU referendum will take place between 7am-10pm BST on June 23, and official results won’t be out until 10am BST on June 24. Markets will know which way the winds are blowing well-ahead of then.