OMX Helsinki 25

OMX Helsinki 25 (OMXH25, formerly HEX25) is a stock market index for Helsinki Stock Exchange. It is a market value weighted index that consists of the 25 most-traded stock classes. The maximum weight for a single stock is limited to 10%. This is mainly to limit Nokia's weight in the index, although Fortum and Sampo Group were also capped in the February 2009 reshuffle.