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A stronger U.S. dollar can reduce the dollar value of some U.S. companies’ overseas earnings, make U.S. exports less competitive, and lower the dollar-denominated return on an unhedged international investment. But it does not mean U.S. stocks must fall or every foreign investment will lose value. The result depends on how a company earns and spends money, how an investor holds foreign assets, and what is driving the dollar higher.
What a stronger dollar means
The dollar is stronger when it buys more of another currency than before. For example, if a U.S. investor owns an asset priced in euros, a stronger dollar means each euro converts into fewer dollars. The exchange-rate change can therefore affect the translated value of company earnings and the dollar return on foreign investments.
The dollar is also widely used in global finance. The Federal Reserve reported that it accounted for 58 percent of disclosed global official foreign reserves in 2024. That figure, published in 2025, describes the dollar’s role as a reserve currency—not its exchange-rate level or an investment return. Federal Reserve: The International Role of the U.S. Dollar – 2025 Edition
How a stronger dollar can affect U.S. companies and stocks
Overseas earnings may translate into fewer dollars
A U.S. company that earns profits through foreign subsidiaries may report those profits in dollars. If the profits are earned in another currency and are not hedged, a stronger dollar means they convert into fewer dollars. This can weigh on reported results even if the subsidiary’s profit in its local currency has not changed.
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In a 2015 analysis of the 2014–15 episode, Federal Reserve Board economists Carol Bertaut and Nitish Sinha described two direct channels: unhedged foreign-subsidiary profits translate into fewer dollars, and U.S. exports become less competitive abroad. Their analysis of dollar appreciation and U.S. corporate profits is historical evidence, not a current forecast.
Exports can become more expensive to foreign buyers
When the dollar strengthens, a foreign customer may need more of its own currency to buy a U.S.-made product priced in dollars. That can make the product less competitive against alternatives produced elsewhere. The effect depends on whether the company can adjust prices, absorb the change in its margins, or sell differentiated products that customers are less likely to replace.
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Currency exposure differs by company
A multinational with substantial foreign sales has more exposure to currency translation than a business that mainly serves U.S. customers, but sales alone do not determine the outcome. Foreign operating costs can provide a natural offset; imported inputs may become cheaper in dollars; and hedging or pricing decisions can change the net effect. Growth, demand, and other business conditions also matter.
Federal Reserve research comparing U.S. firms with higher and lower tradability shows why a currency move should not be treated as a stock-market rule: firms’ exposures and return patterns differ, and exchange rates are only one influence on stock returns. Differences in Stock Returns of U.S. Firms with High and Low Tradability examines historical data rather than predicting the effect of a future dollar move.
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How a stronger dollar affects international investments
For a U.S.-based investor, the dollar return on an unhedged foreign holding reflects both the investment’s local-market return and the currency conversion back into dollars. A foreign share can rise in its local market while its currency weakens enough to reduce—or even outweigh—that gain in dollar terms. If the local asset falls as its currency weakens, the two effects can compound.
Consider a simplified example: a U.S. investor holds a foreign asset whose local-currency price does not change. If that currency loses value against the dollar, the holding is worth fewer dollars after conversion, before fees and taxes. Conversely, a rising local asset price may offset some or all of the currency effect.
Unhedged and hedged exposure
An unhedged holding leaves the investor exposed to changes in the foreign currency relative to the dollar. A currency-hedged share class or strategy is intended to reduce some of that exchange-rate exposure. Hedging does not remove the underlying market risk, and the degree of protection, implementation, and costs vary by product. The Federal Reserve’s discussion of international spillovers explains the currency and financial channels, but it does not compare specific funds, current fees, benchmarks, or tracking approaches. Federal Reserve: International Spillovers of Tighter Monetary Policy
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Why the dollar strengthens—and why that matters
A dollar rally can have different causes, and those causes can affect stocks independently of exchange-rate translation. Federal Reserve researchers studying the 2011–19 appreciation attributed approximately equal contributions to increases in foreign investors’ net savings, increases in U.S. monetary policy rates relative to the rest of the world, and shifts in investor demand for U.S. assets. That attribution applies to the specific historical period and analysis; it is not a formula for every dollar rally. Understanding the Strength of the Dollar
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Dollar appreciation can also tighten financial conditions abroad, especially where borrowers rely on dollar-denominated debt. It may raise the local-currency cost of U.S. imports and affect demand and financing conditions. The scale of any spillover varies with a country’s trade exposure, financial vulnerabilities, invoicing currency, and market structure, so international markets do not all respond in the same way. The Federal Reserve’s overview of international spillover channels
What investors should and should not infer
A stronger dollar can be a headwind for particular companies’ translated earnings or for unhedged foreign holdings, but it is not a standalone signal that U.S. stocks will fall, that international stocks will rise, or that a portfolio should be changed. Company exposure, local asset performance, hedging, economic growth, monetary policy, and investor demand all shape the outcome. The historical Federal Reserve analyses cited here do not establish a current exchange-rate level or forecast.
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