SIX: Swiss and Spanish turnover up 19.5% in August

Combined trading turnover on SIX Swiss Exchange and BME Exchange increased 19.5% year-on-year to CHF125.9 billion in August 2026, compared with August 2025. The Swiss market accounted for CHF87.3 billion and the Spanish market for EUR41.2 billion.

On the Swiss exchange, exchange-traded funds were the strongest growth segment. ETF turnover rose 72.4% year-on-year in August. New ETF listings on the Swiss market were 90.0% higher year-to-date, reaching 211 listings in 2026 and bringing the total number of ETFs available to investors to 2,282. Allianz Global Investors joined the platform in August as a new ETF issuer with four products, increasing the number of ETF issuers on SIX to 37.

On BME, equities showed the largest year-on-year increase, with trading turnover up 27.1% to EUR28.6 billion in August. Fixed income trading on the Spanish exchange rose 33.2% year-on-year. ETF trading on BME exceeded EUR1.0 billion in year-to-date turnover during August, a milestone reached three months earlier than in 2025.

Index movements in August were mixed. The IBEX 35 surpassed 20,000 points for the first time on 4 August and reached a record high of 20,356.5 on 13 August; it closed the month at 19,974.0 points, up 1.0% on the month and 15.4% year-to-date. Switzerland’s SMI fell 0.4% in August to 14,286.4 points and was up 7.7% for 2026 to date.

Gregor Braun, Head Cash Market Sales, Exchanges at SIX, noted: “Despite the quieter summer period, August has shown demonstrable growth across both SIX Swiss Exchange and BME Exchange when compared against the same period last year. It’s great to see continued momentum for both the Swiss and Spanish main indices, with the IBEX 35 remaining one of Europe’s best-performing major indices in 2026 to date.”