It really is all about the dollar

When it comes to currency trading, it really is all about the dollar.
The BIS Triennial Central Bank Survey, which has been published every three years since 1986, was published Thursday. The headline finding is that trading in foreign-exchange markets averaged $5.1 trillion a day in April of this year, down from $5.4 trillion three years ago.
Spot trading fell to $1.7 trillion from $2 trillion, the first time it has fallen since 2001.
The survey also included the chart below, looking at the mos