Sterling’s implied one-month volatility versus the dollar declined this week to the lowest since June 24, the day the results of Britain’s vote to leave the European Union was announced. The difference with an equivalent gauge for three months was at one percentage point on Friday, having surged in June to a record. Typically swings tend to be lower over the shorter period and inversions signal investors are more concerned with the the immediate future. The pound, which plunged to a 31-year low as investors digested the implications of the referendum result, posted its biggest weekly gain in four months as the Bank ... (full story)