# Swiss mortgage and bond market trends > Developing situation record from CLSTR: https://clstr.news/situations/swiss-mortgage-and-bond-market-trends > Updated: 2026-10-27T06:39:01.000Z. Sources: 3. Developments: 2. The Swiss bond market has seen a shift characterized by rising mortgage costs and increased activity from international corporate entities. In the third quarter of 2026, ten-year fixed-rate mortgage rates in Switzerland rose to 2.07 percent, driven by rising real estate prices and international interest rates despite the Swiss National Bank maintaining a 0 percent policy rate. During this period, major US technology companies, including Amazon and Alphabet, utilized the Swiss capital market to fund AI infrastructure investments, raising billions of Swiss francs. In the context of these market shifts, mortgage affordability in Switzerland is managed through specific banking criteria. Lenders utilize a theoretical interest rate of approximately 5 percent for stability assessments, requiring that housing costs remain below roughly one-third of a borrower’s gross income. Standard practices generally necessitate at least 20 percent equity and limit maximum purchase prices to approximately 5.5 times a borrower’s gross annual income. ## Timeline ### 2026-10-27: Mortgage affordability and calculation factors in Switzerland Swiss banks assess mortgage affordability using a 5 percent theoretical interest rate, requiring housing costs to remain under one-third of gross income and typically necessitating 20 percent equity. 3 sources. https://clstr.news/cluster/mortgage-affordability-and-calculation-factors-in-switzerland ### 2026-10-12: Swiss bond market sees rising mortgage rates and US tech interest Swiss fixed-rate mortgage rates have exceeded 2 percent due to international market pressures, while US tech giants like Amazon and Alphabet are increasingly using the Swiss bond market to fund AI investments. 6 sources. https://clstr.news/cluster/swiss-bond-market-sees-rising-mortgage-rates-and-us-tech-interest --- Cite as: Swiss mortgage and bond market trends. CLSTR, https://clstr.news/situations/swiss-mortgage-and-bond-market-trends