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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteIf you measure your wealth or future spending in Swiss francs (CHF), foreign-exchange movements can change the CHF value of international investments—even when those assets’ local-currency prices do not move. You can leave that exposure unhedged, hedge some of it, or choose a fund share class that explicitly seeks to hedge currencies to CHF. The right comparison is not simply “CHF fund versus foreign-currency fund”: check the underlying exposure, the fund’s stated hedge policy, its costs and risks, and your own CHF needs.
How currency movements affect a CHF-based portfolio
An international investment can have two sources of return in CHF: the asset’s performance in its market and the exchange-rate movement between the currencies affecting it and the franc. If the asset’s local-currency price is unchanged but its currency weakens against CHF, its CHF value can fall. If that currency strengthens, the conversion can add to the CHF return. Exchange rates can also affect the CHF value of income and future sale proceeds.
The Swiss National Bank (SNB) describes exchange rates as its most important risk factor in managing foreign-exchange reserves. It says that “Even minor changes in the Swiss franc exchange rates lead to substantial fluctuations in investment income, and thus in the SNB’s equity.” That statement concerns the SNB’s reserves, not a forecast for an individual investor, but it illustrates why currency movements matter when results are measured in CHF.
Do not confuse a fund’s trading currency with its currency exposure
A fund may be quoted, traded, or settled in CHF while owning assets whose economic exposure is to other currencies. The trading currency tells you how a transaction is priced or settled; it does not, by itself, establish that the fund hedges the currencies affecting its holdings.
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Look separately at the fund’s underlying investments and any explicit hedge policy. A CHF-hedged share class should state that it seeks to hedge specified foreign-currency exposure to CHF. Check which currencies are covered, whether the policy applies to the whole fund or a particular share class, and what the current documents say about its implementation. A CHF label alone is not proof of a hedge.
What a currency hedge does—and does not do
A currency hedge aims to offset some exchange-rate movement relative to a chosen reference currency. In SIX’s currency-hedged index methodology, the hedge uses one-month currency forwards: an amount equivalent to the foreign-currency value of the underlying assets is sold at the one-month forward rate against the hedged currency. The hedge therefore needs ongoing implementation rather than acting as a permanent, set-and-forget conversion.
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The intention is to reduce the effect of specified currency movements on returns measured in CHF, not to make the investment risk-free. A hedge does not remove the underlying market risk of stocks, bonds, or other assets, and derivative use has its own disclosed risks and implementation effects. The available evidence does not establish a universal hedge cost or show that hedging will improve returns; those depend on the product and conditions over time.
Compare unhedged, partial, and CHF-hedged approaches
| Approach | What it means for a CHF investor | What to check |
|---|---|---|
| Unhedged international holdings | Both underlying asset performance and currency movements affect the CHF return. There is no deliberate hedge overlay. | Which currencies drive the holdings’ exposure, and whether you can tolerate their effect on your CHF results. |
| Partial hedge | A chosen portion of currency exposure is hedged, leaving some exchange-rate effect in place. | How the chosen portion is implemented, maintained, and reflected in costs and disclosures. The cited official materials do not prescribe a standard hedge ratio. |
| CHF-hedged fund or share class | Seeks to reduce the impact of specified foreign currencies on returns measured in CHF. | Which currencies and how much exposure are targeted, how the hedge is maintained, what risks and costs are disclosed, and whether that share class is available to you. |
These are implementation choices, not a ranking from safest to best. All leave the investor exposed to the underlying assets’ market risks; the amount of currency variation that remains depends on the strategy and its execution.
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Choose an approach around your CHF goals
There is no universally correct hedge ratio in the cited official guidance. A useful decision starts with the purpose of the money and the volatility you are willing to accept, rather than with a guess about which way exchange rates will move.
- Start with the liability: Identify the currency in which you expect to spend, save, or meet a future obligation. A known CHF expense may make variation in its CHF value more important than it is for a distant goal without a fixed CHF amount.
- Set your tolerance for FX variation: Decide how much currency-driven movement in CHF results you are willing to live with alongside the investment’s market risk.
- Compare the actual hedge scope: Establish which underlying currencies are exposed and which of them a fund’s policy targets. Do not assume a single label means every currency or every holding is hedged.
- Account for ongoing implementation: Review the fund’s charges and derivative disclosures, and consider whether you are willing to maintain or rebalance a hedge if you manage it yourself. Do not infer a universal hedge cost from interest-rate differences without current product and market evidence.
- Check availability and rules: Confirm that the particular fund or share class is available and permitted for you in your jurisdiction.
Verify the current fund documents before investing
Use the current product materials rather than relying on the trading-currency label or a dated summary. The key documents are the fund’s stated objective, the relevant share-class hedge policy, its derivative disclosures, and its current Key Information Document (KID) and prospectus. Check that the documents describe the same fund and share class you intend to buy.
A dated Swiss example shows why the distinction matters. The PRIIPs KID for UBS ETF (CH) – Gold (CHF) hedged, A-dis (ISIN CH0106027128), identifies UBS Fund Management (Switzerland) AG as manufacturer and says the fund invests in physical gold to reflect gold performance after fees. It describes derivatives used exclusively to hedge currency risks and says the share-class currency is largely hedged against the fund currency. The document is accurate as of 2023-02-16 and directs readers to the current prospectus and reports. It is an example of explicit disclosures, not a diversified international equity fund or a recommendation.
For Swiss authorization checks, FINMA’s “Approved Institutes” page links to current lists that include Swiss collective investment schemes and foreign schemes authorized for offering in Switzerland. The page’s lists were shown as updated 2026-10-07. Check the applicable current list and the rules in your own country: Swiss authorization information does not establish availability or authorization elsewhere.
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Why the SNB’s currency policy is not a personal-investor rule
The SNB says it does not hedge the currency risk of its foreign-exchange reserves because selling foreign exchange forwards against CHF would create additional demand and upward pressure on the franc, with an effect similar to foreign-exchange intervention. The SNB says that would have an undesirable impact on monetary policy. This is a constraint tied to the central bank’s mandate; it does not mean private investors face the same constraint or should copy the SNB’s policy.
For scale, 39% of SNB foreign-exchange reserves were denominated in US dollars and 37% in euros at the end of Q1 2025. Those are figures for official reserves, not a model allocation for a household portfolio. The SNB publishes reserve structure quarterly, roughly one month after quarter end; monthly balance-sheet and reserve figures are provisional and can differ slightly by definition.
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A practical pre-investment checklist
- What currency do I actually spend, save, and measure this goal in?
- Which currencies affect the underlying assets, regardless of the fund’s trading currency?
- Does the current document explicitly say the relevant share class hedges currency exposure to CHF?
- Which currencies and what portion of exposure does it target, and how is the hedge maintained?
- What fund fees, derivative risks, and other implementation details do the current documents disclose?
- Does the approach fit my time horizon, expected CHF liabilities, and tolerance for currency-driven variation?
- Is this exact product available and authorized for offering in my jurisdiction?
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