The implications of Brexit understandably have dominated the global economic policy debate. But there are issues other than Brexit that could also have a large global impact: most obviously China and its currency.
The yuan rather quietly hit multi-year lows against the dollar last week. And today the yuan-to-dollar exchange rate (as well as the offshore CNH rate) came close to 6.7, and is not too far away from the 6.8 level that was bandied about last week as the PBOC’s possible target for 2016.*
The dollar is—broadly speaking—close to unchanged from the time China announced that it would manage its currency with reference to a basket in the middle of December.*
So the yuan might be expected to be, very roughly, where it was last December 11. December 11 of course is the day that China released the China Foreign Exchange Trade System (CFETS) basket. Yet since December 11, the yuan is down around 1.5% against the dollar, down about 5 percent against the euro and down nearly 19 percent against the yen.
The reason why the renminbi is down against all the major currencies, obviously, is that managing the renminbi “with reference to a basket” hasn’t meant targeting stability against a basket. As the chart above illustrates, over the last seven months the renminbi has slowly depreciated against the CFETS basket. The renminbi has now depreciated by about 5 percent against the CFETS basket since last December, and by about 10 percent since last summer.