The Helsinki Exchanges (HEX Ltd, Helsinki Securities and Derivatives Exchange and Clearing House) was formed at the beginning of 1998 following the merger of the Helsinki Stock Exchange Ltd and SOM Ltd, the Securities and Derivatives Exchange and the Clearing House.
HELSINKI EXCHANGES (HEX)
Meaning of HELSINKI EXCHANGES (HEX) in English
Campbell R. Harvey. Hypertextual finance English glossary. Английский словарь гипертекстовых финансов. 2012