Stocks and investment returns · Analysis
International stock returns: currency can change the inflation comparison
For dollar-based investors, local market gains and exchange-rate changes combine. Calculate the home-currency return before adjusting for inflation.
A portfolio question beyond U.S. headlines
Inflation and interest-rate news can draw attention to foreign markets, but a performance comparison needs a common currency. This analysis does not quote current exchange rates or forecast a central bank’s next move. Investor.gov’s international-investing resource identifies the relevant risks; actual security and fund documents determine whether an exposure is hedged or unhedged.
Local gains and currency effects interact
For an unhedged hypothetical investment, a 10% local gain combined with a 10% decline in the currency’s dollar value gives 1.10 × 0.90 − 1, or −1% in dollars before costs. Adding the percentages would incorrectly produce zero. Dividends, withholding, trading expenses, and the timing of cash flows can change an actual investor’s result.
Then apply the matching inflation period
If that invented dollar result is −1% and the matched U.S. inflation rate is 3%, the real return is 0.99 / 1.03 − 1, about −3.88%. The hypothetical local-market gain therefore does not establish a gain in dollar purchasing power. These numbers are examples, not observed market performance or a forecast.
A fair cross-market comparison
Use matched dates, reinvestment assumptions, currency, fees, and inflation measure. Our diversification guide explains why adding countries does not eliminate loss risk. A currency-hedged fund also has its own design and costs. Understand the actual exposure before treating a foreign price chart as evidence that inflation protection was achieved.