It makes sense if you're looking at it from the perspective of a European investor. e.g. You start with 1000 EUR, convert and buy into an S&P500 fund, wait a year, sell and convert back to EUR.
Celsius and Fahrenheit doesn't work as an analogy because the rate does not change over time as it does with currencies.
Celsius and Fahrenheit doesn't work as an analogy because the rate does not change over time as it does with currencies.