Measuring Returns in Different Currencies
Thinking about returns of stocks in different countries and in different currencies can get confusing. If Canadian stocks rise (in Canadian dollars) and U.S. stocks rise more (in U.S. dollars), almost everyone would agree that U.S. stocks performed better, even if the Canadian dollar rose by enough to make up the difference. This way of thinking makes no sense to me. Suppose that in a particular year, Canadian stocks rise 10% when measured the usual way in Canadian dollars. In the same year, U.S. stocks rise 15.5% when measured in U.S. dollars. But the Canadian dollar rises 5% during the year. Most would agree that U.S. stocks had superior returns. However, let’s look at this from a few points of view, starting with a Canadian investor who thinks in Canadian dollars. The Canadian stocks case is easy: a 10% gain. Now let’s consider the case of a C$10,000 investment in U.S. stocks with the Canadian dollar at 80 cents U.S. The investment is US$8000 and it rises by 15.5% to US$...