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Currency-Hedged vs. Unhedged ETFs

Two funds can track the exact same index and still post very different returns, once currency hedging enters the picture.

Hedged vs. Unhedged: The Core Difference

An ETF that invests in foreign assets holds those assets in a foreign currency, so exchange-rate movement affects your return once it’s converted back into your home currency. Currency hedging uses tools like currency forwards to cancel out or reduce that exchange-rate effect; leaving a fund unhedged means exchange-rate movement flows straight through into your return, with no offsetting adjustment.

What "Hedged" in a Fund Name Actually Means

Fund providers typically flag a fund’s hedging status directly in its name. Two funds tracking the exact same index might differ only in that one carries "Hedged" (or a currency code plus "Hedged," like "EUR Hedged") in its name while the other doesn’t — the one without that label is almost always unhedged. Reading a fund’s full name carefully before investing is the easiest way to know which type you’re buying.

Pros and Cons of a Hedged ETF

A hedged ETF keeps your return, once converted to your home currency, closer to how the underlying asset itself actually performed, even when exchange rates swing sharply — that’s its main advantage. But hedging through currency forwards isn’t free, and that cost quietly eats into your return. For assets like gold or commodities, where currency movement and asset price often move in opposite directions, staying unhedged can actually provide a natural diversification benefit, which is why hedging is sometimes seen as having limited value for those specific asset classes.

Pros and Cons of an Unhedged ETF

Beyond simply avoiding hedging costs, an unhedged fund also lets your foreign holdings gain extra value in your home currency when your home currency weakens against the fund’s currency — a form of currency diversification some investors deliberately seek out. On the other hand, during a period when your home currency strengthens, currency losses can eat into your return even while the underlying asset itself is rising, which is the added volatility you take on by staying unhedged.

Why Does Hedging Cost Money?

Currency hedging is carried out through forward contracts, and the price of a forward contract reflects the interest-rate gap between the two currencies involved. As a rule of thumb, hedging tends to cost more when your home interest rate is lower than the foreign currency’s interest rate, and less when that gap narrows or flips. Because of this, a hedged fund’s return stays sensitive to shifts in the broader interest-rate environment, not just to the underlying asset’s price.

Which One Fits Your Investing Style?

If you want your return to track the foreign index itself as closely as possible and would rather minimize exchange-rate noise, a hedged fund may suit you better; if you want the added benefit of holding a currency other than your own as part of your broader asset allocation, an unhedged fund may be the better fit. There’s no universally correct answer — the right choice depends on your overall portfolio’s currency mix and what you’re actually trying to achieve.

A Simple Worked Example

Suppose a foreign stock index rises 10% in local terms over a year, while the foreign currency falls 6% against your home currency. An unhedged fund would return roughly 1.10 x 0.94 - 1, or about 3.4%, in your home currency. A fully hedged fund would capture close to the 10% index gain, less the cost of hedging. Flip the currency move and the picture reverses: if the foreign currency rises 6%, the unhedged fund returns about 16.6% while the hedged fund still returns roughly 10%. These numbers are illustrations, not forecasts, but they show why two funds with the same holdings can feel like completely different investments.

How the Hedge Is Actually Maintained

Most currency-hedged ETFs do not hedge once and forget. They typically enter forward contracts to sell the foreign currency and buy the home currency, with a term of about one month, and then roll those contracts forward each month. Because the fund's holdings rise and fall in value during the month while the forward amount is fixed at the start, the hedge is never perfectly matched, and the leftover mismatch is one source of the small differences you see between a hedged fund and its hedged index.

Hedging Can Cost Money or Earn Money

Because forward prices follow the interest-rate gap between two currencies, the sign of the hedging cost depends on which rate is higher. When your home interest rate is lower than the foreign one, hedging usually drags on returns, roughly by the size of the gap; for illustration, a gap of 2 percentage points would mean a drag in the neighborhood of 2% a year. When your home rate is higher than the foreign one, hedging can add a small positive carry instead. Rates change over time, so the same fund can be a drag one decade and a help in the next.

What to Look for in the Fund Documents

Check the stated hedge ratio, the index the fund follows (a hedged fund usually tracks a currency-hedged version of the parent index), the expense ratio, and the fund's tracking difference over several years. Look at how the fund describes its hedging method and how often it resets. Compare the actual past gap between the hedged and unhedged versions of the same index, because that gap includes both exchange-rate effects and hedging cost and is far more informative than the marketing description.

Fund Fees Are Worth Checking Too

A hedged fund's expense ratio, plus its hedging cost, both quietly affect your net return. The hedging cost is not shown in the expense ratio, because it is embedded in the fund's performance through the forward contracts. Checking the latest fact sheet and the gap between the hedged and unhedged versions of the same index is always worth the extra few minutes.

Common Mistakes When Choosing

The first mistake is picking a version because of what the currency did recently. Currency trends reverse, and a hedged or unhedged fund that looked brilliant for two years can look poor for the next two. The second is assuming a hedge protects the underlying asset: it does not, and if the foreign stock market falls 20%, a fully hedged fund falls roughly 20% as well. The third is comparing a hedged fund's price chart with an unhedged fund that holds different securities, which mixes several effects. The fourth is forgetting that a hedge only covers the currency of the fund's holdings, so a global fund with ten currencies needs a hedge in each of them.

Thinking About the Currency Mix of Your Whole Portfolio

The decision is easier when you look at the whole portfolio instead of one fund. If most of your future spending is in your home currency, an unhedged foreign allocation adds exchange-rate risk on top of market risk. If you plan to retire abroad, send money to family overseas, or hold a lot of assets tied to your home economy, the answer can differ. Some investors split the difference, holding a hedged fund for the bond portion and an unhedged fund for the stock portion, or holding half and half. None of these is wrong; what matters is that the choice is deliberate and that you understand which risks you are keeping.

When This Page Does Not Apply

If the ETF is denominated in your home currency and holds only home-currency assets, there is nothing to hedge at the fund level. Hedged share classes of mutual funds follow the same logic but may charge hedging costs differently, and structured products or leveraged funds can add their own currency effects. Tax treatment of hedging gains and losses and of distributions also varies by country and by fund domicile, so confirm it with the fund's documents or a tax professional.

Educational Content, Not Investment Advice

This page explains the general concept of currency hedging in ETFs and is not a recommendation for any specific fund. Hedging cost, hedge ratio, and methodology vary by fund manager, so always check a fund's current fact sheet and prospectus before investing.

Frequently Asked Questions

Why would a hedged and an unhedged fund on the same index have different returns?

The difference is the currency effect plus the cost or gain from the forward contracts used to hedge. In a year when the foreign currency weakens against yours, the hedged fund usually comes out ahead; when it strengthens, the unhedged fund usually does. Neither is an error, they simply carry different risks.

Is the hedging cost shown in the expense ratio?

No. The expense ratio covers management and operating fees. Hedging cost shows up inside the fund's returns, so the best way to see it is to compare the fund's performance against the unhedged version of the same index over a multi-year period, and to read the fund's own disclosures.

Can a hedged fund still lose money from currency moves?

Yes, in small ways. Because the forward contracts are sized at the start of the period and the portfolio value changes afterward, and because hedge ratios can be below 100%, some residual currency exposure usually remains, and the contracts themselves can produce gains or losses that do not exactly offset the currency move.