The OMX Iceland 15 (formerly the ICEX15) is a defunct stock market index which consisted of a maximum of 15 companies listed on the OMX Iceland Stock Exchange with the highest market capitalization.
Calculated daily since 1998 and starting at 1,000 points, it was a market value-weighted index and the constituent companies were reviewed twice a year.
[1] Over the year 2008 and over the entire decade 1998–2008 the OMX Iceland 15 was the worst performing stock index in the world,[2] being heavily affected by the 2008 Icelandic financial crisis which saw a number of index constituents become insolvent, be nationalised or opt to delist from the exchange.
[3] OMX Iceland 15 suffered a great loss during the financial crisis in 2008.
[5] Both Straumur and SPRON were delisted from the exchange before the index's retirement six months later.