OMX Stockholm 30 is NASDAQ OMX Stockholm's leading share index. The index consists of the 30 most actively traded stocks on NASDAQ OMX Stockholm. The limited number of constituents guarantees that all the underlying shares of the index have excellent liquidity, which results in an index that is highly suitable as underlying for derivatives products. In addition OMXS30 is also used for structured products, e.g. warrants, index bonds, exchange traded funds such as XACT OMX™ and other non-standardized derivatives products. The composition of the OMXS30 index is revised twice a year.
This version of the index; the OMXS30GI is a market weighted total return index. The base date for OMXS30GI is May 23, 2006 with a base value of 100.