The Austrian Traded Index (ATX) is the most important of the Wiener Börse and the largest trading place in the Austrian economy. The ATX is, like most European indices, defined as a price index and currently consists of 20 stocks.
As of March 2017, the index includes the following companies.
Since 2011, the following companies have been removed from the ATX-20:
In 2015, the Austrian Traded Index closed at 2.396,94 (Dec 30, 2015). The previous years' closing values were 2.401,21 (2012), 2.546,54 (2013), and 2.160,08 (2014).