Swiss Market Index (SMI)® Family

The SMI Family is a selection of securities with high liquidity. The chart below shows the composition of the SPI® and SMI families, including the bases for the indices they contain.

Index information

Description	Download
Rules governing the SMI Index Family
SMI Family factsheet
Equity index selection list

SMI - Swiss Market Index - Switzerland's blue-chip index

As a blue-chip index, the SMI is Switzerland's key equity index. It represents about 85% of the free-float capitalisation of the Swiss equity market. The SMI comprises the 20 largest and most liquid equities of the SPI. It is also equivalent to the SPI Large.

SMIM - SMI MID - the most liquid Swiss mid-cap stocks

The SMIM (SMI MID) contains 30 of the largest, most liquid mid-cap stocks in the Swiss equity market, which are not represented in the blue-chip SMI index.

SMI Expanded - SMI & SMIM - up to 50 of the largest, most liquid stocks in the Swiss equity market

The SMI Expanded is made up of the SMI and SMIM, meaning that it comprises the 50 largest and most liquid stocks in the Swiss market.