What currency pressures in Turkey and other countries may mean for investors

Activity in currency markets has more than tripled in the last two decades. Between 2001 and 2016, global turnover in currency markets rose from $1.2 trillion to $5.1 trillion,1 and the geopolitical disruption of the last two years has increased currency activity even further. Last week brought several significant examples of this trend in the UK, China, Iran and — most dramatically — Turkey. Is this a sign of more disruption to come?