Nasdaq Helsinki

Since 3 September 2003, it has been part of Nasdaq Nordic (previously called OMX).

On April 1, 1990, trading was moved to a new digital system: HETI (Helsinki Stock Exchange Automated Trading and Information System, and in Finnish a rough backronym for "immediately"), which replaced the electro-mechanical trading system originally introduced back in 1935.

HETI enabled remote traders to conduct transactions on equal terms with those in the trading room.

It is a market value weighted index that consists of the 25 most-traded on Nasdaq Helsinki.

[3] Normal trading sessions are from 10:00am to 6:30pm on all days of the week except Saturdays, Sundays and holidays declared by the Exchange in advance.

Stock brokers trade in securities in the stock exchange hall of Pörssitalo, 1982.
Helsinki Stock Exchange record of the first day of trading 7 October 1912. Seen in Rahamuseo (Bank of Finland Museum), 2013.
Helsinki Stock Exchange old electromechanical trader terminal, seen in Rahamuseo (Bank of Finland Museum), 2013