At 10:00 (GMT+2), the May Index of Swiss Economic Expectations from the Center for European Economic Research (ZEW) is due, recording the difference between the proportion of institutional investors and analysts who are optimistic and pessimistic, and is an important indicator of business and economic conditions and well-being of the country. If the indicator continues its upward trend from the current 17.6 points, this may support the franc exchange rate.
