The SMI® Family, which is the best-known SIX Swiss Exchange index family, comprises the 50 largest and
most liquid stocks in the Swiss equity market.
The blue-chip index SMI® is the most significant equity index in Switzerland. It comprises 20 of
the largest Swiss stocks from the SPI® universe.
The SMIM® comprises the next group of the 30 largest and most liquid mid-cap stocks. All SMI® and
SMIM® stocks are combined in the SMI Expanded®. The SMI Expanded® covers approximatel 93 % of the
entire capitalisation of the Swiss equity market.
Rules governing the SMI Index Family
Rulebook governing Equity and Real Estate Indices (eff. 25 March 2019)