Swiss National Bank (SNB)
Switzerland's central bank holds one of the world's largest balance sheets relative to GDP, managing a safe-haven currency whose appreciation it has spent decades fighting.
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What it is
The Swiss National Bank (SNB) is Switzerland's central bank, established in 1907 under the Federal Act on the Swiss National Bank and mandated by Article 99 of the Swiss Federal Constitution to ensure price stability and support the country's economic development. Price stability means Swiss consumer price index (CPI) growth of less than 2% per year. Uniquely among major central banks, the SNB is a publicly traded corporation listed on the SIX Swiss Exchange. About 55% of its shares are held by Swiss cantons and cantonal banks; the remainder trades to private investors. A three-member Governing Board sets policy at quarterly assessments. Chairman Martin Schlegel, who took office October 1, 2024, is joined by Vice Chairman Antoine Martin and Board member Petra Tschudin.
History
The SNB opened in 1907 with dual headquarters in Zürich and Bern, an arrangement still in place. It operated under Bretton Woods and a domestic gold standard before floating the franc in 1973. The defining modern test came in September 2011: safe-haven demand during the eurozone debt crisis drove EUR/CHF toward parity, threatening Swiss exporters. The SNB imposed a CHF 1.20 per euro floor and spent hundreds of billions of francs defending it over 40 months. On January 15, 2015, the Governing Board abandoned the floor without warning. The franc surged more than 20% against the euro within minutes, a dislocation traders called "Francogeddon" that triggered losses across FX brokers and hedge funds globally. The SNB simultaneously cut its deposit rate to -0.75%, among the deepest negative rates set by any major central bank. It held rates below zero for over seven years, exiting in June 2022 as global inflation rose.
Current state
As of the June 2026 monetary policy assessment, the SNB policy rate stands at 0%. Swiss CPI averaged 0.2% in 2025; the SNB projects 0.5% for 2026 and 0.7% for 2027, well below its 2% ceiling. Switzerland's GDP growth is forecast at just under 1% for 2026, weighed by US tariff uncertainty. The Governing Board has preserved explicit optionality to cut below zero if franc appreciation tightens conditions. The SNB's balance sheet, built up during years of FX intervention, stood at roughly CHF 800 billion at end-2023, with foreign currency reserves forming the bulk. As of Q1 2026, reserve allocation was 39% EUR, 37% USD, 7% JPY, 6% GBP, and 8% other; 28% of the portfolio was held in equities, making the SNB one of the world's larger passive equity investors, with significant holdings in major US and European companies.
Relationships
The SNB coordinates closely with the Bank for International Settlements, headquartered in Basel, Switzerland, which also hosts the SNB's participation in global central-bank forums. The franc's safe-haven status means SNB decisions move EUR/CHF and USD/CHF pairs and global volatility measures during stress episodes. Profits are split between the Swiss Confederation (one-third) and Swiss cantons (two-thirds) after reserves are maintained; in years of heavy losses, no distribution is made. The bank posted a CHF 132 billion loss in 2022 on its equity and bond portfolio, cancelling that year's distribution. The Gold, silver and bitcoin tumble as the debasement trade unwinds dynamic, in which US dollar weakness has channelled demand into francs and gold, directly pressures the SNB's intervention calculus through 2026. The SNB also tracks the ECB closely: a wide SNB-ECB policy rate spread attracts capital inflows and franc appreciation, tightening Swiss financial conditions without any SNB action.
What to watch
The central policy question for 2026 is whether the SNB cuts below zero again. CPI at 0.5% leaves thin margin before Switzerland returns to outright deflation, and any sharp franc appreciation compresses that further. The franc's safe-haven premium is a structural constraint: geopolitical shocks, US tariff escalation, or renewed European banking stress all trigger franc buying regardless of the nominal policy rate. The SNB's equity portfolio, worth hundreds of billions of CHF, now materially shapes Swiss federal and cantonal budgets through annual profit distributions; a sustained equity drawdown would carry direct fiscal consequences for Swiss public finances.