The SMI increased 483 points or 4.51% since the beginning of 2021, according to trading on a contract for difference (CFD) that tracks this benchmark index from Switzerland. Historically, the Switzerland Stock Market (SMI) reached an all time high of 11270 in February of 2020. The Swiss Market Index SMI is a major stock market index which tracks the performance 20 largest and most liquid stocks based in the Swiss Exchange. It is a free-float, capitalization-weighted index. The SMI companies represent about 85 percent of the Swiss equity market. The SMI has a base value of 1500 as of June 30, 1988.