What is the OMXS30 index?
The Stockholm Stock Exchange is a member of the OMX Exchange group and this stock index is attached to it. The OMX Stockholm 30, to give the index its full name, is made up of the exchange's 30 most-traded stocks. The index is market value weighted.
Where have you heard about the OMXS30 index?
You might hear market analysts talking about it when they're reviewing the performance of the Swedish economy, or that of a particular Nordic company.
What you need to know about the OMXS30 index.
The origins of the index date back to September 1986, when it was given a base level of 125. The index reached a new high of over 1,400 at the height of the dot.com boom in 2000. After the subsequent crash, the index didn't reach that level again until 2014.
The membership of the OMXS30 is revised on a twice yearly basis, to ensure it accurately reflects the most actively traded stocks on the Stockholm Stock Exchange.
Find out more about the OMXS30 index.
For more information on how stocks are traded, see our definition of stock exchange.