OPINION

Last year’s Brexit referendum triggered the pound’s biggest fall since the era of free- floating exchange rates was introduced more than 40 years ago.

Sterling plunged against the dollar.

Implied volatility hit record levels, even higher than in the 2008 global financial crisis, forcing Bank of England governor Mark Carney to come out and calm markets.

A few weeks later, the BoE responded to growing fears over the economy by resuming quantitative easing and slashing interest rates to a 10%