Published on: 2026-06-09
The Swiss National Bank is expected to hold its policy rate at 0% on 18 June, yet the franc remains firm across the majors. The explanation sits in real returns, external surpluses, safe-haven demand, and central-bank credibility, not in nominal yield.
A 0% currency can still be strong, and the Swiss franc is the clearest current example.
The SNB policy rate sits at 0%, and markets expect it to stay there when policymakers meet on 18 June. The May CPI print of 0.6% is broadly in line with the SNB’s Q2 conditional forecast, and the next policy decision on 18 June is expected to keep rates at 0.0%. Even so, the franc trades near multi-year strength.
The case shows why low rates do not automatically mean a weak currency. Foreign exchange markets price more than nominal yield. They weigh real returns, balance-of-payments flows, the demand for safety, and trust in the central bank. On each of those measures, the franc scores well.
The SNB is expected to keep its policy rate at 0% on 18 June, with May inflation at 0.6% year-on-year.
Swiss inflation is among the lowest in the developed world, so the franc preserves purchasing power even without yield.
The franc is a classic funding currency that tends to strengthen when carry trades unwind.
A large current-account surplus creates steady structural demand for the franc.
SNB credibility and its readiness to intervene in the FX market influence the franc more than the policy rate.
That same intervention stance can also cap how far the franc is allowed to appreciate.
The franc is firm against several key crosses traders watch closely. European Central Bank reference data put EUR/CHF at 0.9175 on 5 June 2026 and 0.9187 on 8 June. SNB market data showed GBP/CHF at 1.0631 on 8 June, while AUD/CHF traded near 0.56 in early June, leaving the franc strong across the European, sterling, and commodity-currency blocs.
Over the prior twelve months EUR/CHF ranged from a high of 0.9430 in August 2025 to a low of 0.9008 in March 2026. At roughly 0.92, the franc sits near the strong end of that range, not far above the March low in EUR/CHF, despite earning no policy yield. A currency does not hold that position on sentiment alone.
The first driver is real value. At 0% nominal and 0.6% inflation, the real policy rate is modestly negative, near minus 0.6%. That is a far shallower erosion than holders of higher-yielding currencies face when their inflation runs well above their rates.
The detail reinforces the point. Core CPI, excluding fresh and seasonal products, energy and fuels, held at 0.3% year-on-year in May, confirming that underlying price pressure remains contained. A franc holder gives up very little purchasing power over time.
That is the practical meaning of FX strength for a low-rate currency: the question is not how much it pays, but how much it preserves.
Because Swiss financing is cheap, the franc is often borrowed to fund positions in higher-yielding assets abroad. That tends to keep it soft when markets are calm and capital is flowing outward in search of carry.
The dynamic reverses under stress. When volatility rises, traders close those positions and must buy back the franc to repay the borrowing. The carry unwind runs in a clear sequence: borrow the franc, sell it for higher-yielding assets, then repurchase it when the trade is closed.
That repurchase flow can lift the currency sharply, regardless of its yield. The size of the move depends on how crowded the trade was and how quickly it unwinds.
The franc also rests on a strong balance of payments. Switzerland runs a persistent current-account surplus, earning more from exports, investment income, and overseas assets than it spends abroad. That creates recurring structural demand for the currency, independent of the policy rate.
Several flows reinforce it: exporters convert foreign revenue back into francs, Swiss insurers and pension funds repatriate overseas assets during stress, and a strong net international investment position supports credibility.
Surplus economies also depend less on foreign capital to fund themselves, which reduces the franc’s vulnerability to sudden outflows. The effect is gradual, but it provides a floor that a rate sheet does not capture.
The franc is one of the market’s primary defensive assets. During volatility shocks, investors prioritise liquidity and capital preservation over yield, and capital moves toward deep, trusted markets where positions can be exited cleanly. A 0% rate becomes a secondary concern.
In March 2026 the SNB left its policy rate at 0% and signalled increased willingness to intervene in the foreign exchange market to counter rapid and excessive franc appreciation that would jeopardise price stability.
That stance cuts two ways. It reinforces credibility, which lowers the risk premium investors require to hold francs, and it also signals a ceiling: the SNB would rather sell francs than let the currency run, which can temper how far safe-haven rallies extend.
If the SNB holds at 0% as expected, the franc’s supporting structure stays intact: low inflation, a surplus, and a credible backstop. EUR/CHF near 0.92, GBP/CHF near 1.06, and AUD/CHF near 0.56 reflect that balance rather than a yield story.
Two outcomes would shift the picture. A dovish surprise, such as a move toward negative rates or a stronger intervention signal, would lean against the franc. A fresh risk-off episode would do the opposite, pulling capital back into the currency and forcing carry positions to close. The policy decision itself is less likely to drive the franc than the tone around inflation risk and intervention.
Zero yield is not an unconditional strength. The franc tends to soften when the supporting conditions break down. The main pressures include:
Deflation deep enough to push the SNB toward negative rates.
Heavy FX intervention aimed at capping appreciation.
A durable return of global risk appetite that rebuilds carry trades.
Swiss inflation rising faster than the policy rate over a sustained period.
Capital rotating toward higher real yields elsewhere.
When these forces dominate, the absence of yield stops being neutral and begins to act as a drag.
Yes. The Swiss franc is strong at 0% because inflation is very low, the economy runs an external surplus, and the currency draws safe-haven and funding demand. Nominal yield is only one input into FX valuation.
It often funds carry trades. When volatility increases, investors close those positions and buy back francs to repay borrowing, and the franc also attracts defensive flows. Both can drive appreciation.
Markets expect the SNB to hold the policy rate at 0%, with May inflation at 0.6% sitting within its price-stability range. A cut would mean returning to negative rates, which the SNB has signalled it would rather avoid in favour of FX intervention.
A shift toward negative rates, active intervention to cap strength, or a broad return of risk appetite that revives carry trades funded in francs.
The Swiss franc shows that a 0% currency can be strong because FX markets price more than income. They price purchasing power, external balances, funding mechanics, and trust. With inflation low, a surplus intact, and a credible central bank standing behind it, the franc holds its ground even as the SNB is expected to keep rates at 0% on 18 June.
Yield is the part that shows up on a rate sheet. The franc’s strength comes from everything that does not.
