Term · Market & Classification
ATX Prime
In briefATX Prime forms a segment of the Vienna Stock Exchange with higher admission hurdles than the general market. It serves as a central reference for classifying Austrian small caps.
Definition
Segment of the Vienna Stock Exchange with stricter admission requirements than the general equity market.
How it is calculated
Formula. No metric — admission segment with additional requirements (including free float, trading volume).
Why it matters for small caps
Central reference for classifying Austrian small caps within this process.
Common misreadings
- It is mistakenly misunderstood as a separate index; it is in fact a market segment from which several indices (e.g. the ATX) are drawn.
In the process
Frequently asked
What is ATX Prime?
It is a market segment of the Vienna Stock Exchange with elevated requirements, for example on free float and trading volume. It stands for higher transparency than the general market.
What is the purpose of ATX Prime?
It bundles Austrian stocks that meet additional admission and transparency criteria. Several indices are drawn from this segment.
Is ATX Prime an index?
No, it is a market segment and not an index. However, indices such as the ATX are formed from it, which is often confused.
Related terms
Sources
Primary
Wiener Börse – ATX Prime
https://www.wienerborse.at/index/atx-prime-AT0000999925/
https://www.wienerborse.at/index/atx-prime-AT0000999925/
Education only, not investment advice. Ranges and thresholds are didactic orientation values, not an official standard.