A Look at How Closely Correlated Some Country ETFs are to Home Benchmarks

There are now over 200 single-country exchange traded funds trading in the U.S. with roughly $100 billion in combined assets under management. But most of those ETFs are not pure trackers of a given country’s benchmark equity index. A few are. The Maxis Nikkei 225 Index Fund (NYSEArca: NKY),...