As a blue chip index, the SMI® is Switzerland's most important stock index and comprises the 20
largest equities in the SPI. The SMI represents about 85% of the total
capitalisation of the Swiss equity market. It is free-float-adjusted, which means that only the
tradable portion of the shares is taken into account in the index.
It is published as a price index and, under the designation SMIC (SMI dividend-adjusted), as a
Because the SMI represents the Swiss equity market, it is used as an underlying index for many
financial products such as options, futures, structured products and exchange traded funds.
On 30 June 1988, the SMI was standardised at 1'500 points. Its composition is
reviewed once a year. Calculation takes place in real time, i.e. each new transaction involving
a stock included in the SMI causes the index to be recalculated.
Rules governing the SMI Index Family
SMI Family factsheet
Equity index selection list
All indices calculated by SIX Swiss Exchange
Current index-composition and divisor with adjusted closing prices from the most recent trading day
Index composition and divisor from the most recent trading day
Additions and eliminations since 30 June 1988
Historical index data
Historical closing prices SMI Family Indices (PR / TR)