Direct Answer
The Immobilien-ATX (IATX) is a rule-based measurement of Austrian real estate equities listed on the Vienna Stock Exchange, maintained by Vienna Stock Exchange (Wiener Borse). Like every index it owns nothing: it is a number produced by applying a published weighting formula to a selected list of securities, revised on a schedule the provider sets.
What this index covers
The Immobilien-ATX (IATX) covers Austrian real estate equities listed on the Vienna Stock Exchange. Vienna Stock Exchange (Wiener Borse) defines which securities are eligible, how they are selected from that pool, and how much each one contributes to the published number.
The methodology document, published by Vienna Stock Exchange (Wiener Borse), sets the rules for inclusion and removal. Corporate actions, index reviews, and eligibility changes all move the constituent list on the timetable the provider specifies.
How constituents are weighted
Swoopr has not verified the weighting method for this index against Vienna Stock Exchange (Wiener Borse)'s current methodology document, so none is stated here rather than guessed. The provider link below is authoritative.
Current Immobilien-ATX (IATX) constituents
Vienna Stock Exchange (Wiener Borse) publishes and licenses the Immobilien-ATX (IATX) constituent list. Swoopr does not republish it here. The provider's own page is the authoritative source for current membership and weights.
Vienna Stock Exchange (Wiener Borse): official Immobilien-ATX (IATX) page
Related reading
- All stock market indexes: how indexes are built, weighted and revised.
- Europe indexes: others covering the same region.
- Index concentration: measuring how much of an index sits in its largest holdings.
- Index rebalancing and inclusion effects: what happens to a stock when index membership changes.
Frequently Asked Questions
Who maintains the Immobilien-ATX (IATX)?
Vienna Stock Exchange (Wiener Borse) maintains the Immobilien-ATX (IATX) and publishes the methodology document that defines its eligibility and weighting rules.
What does the Immobilien-ATX (IATX) measure?
It measures Austrian real estate equities listed on the Vienna Stock Exchange. The index is a calculated number applying a weighting formula to a selected list of securities, and it holds nothing itself.
Where can I see the current Immobilien-ATX (IATX) constituents?
Vienna Stock Exchange (Wiener Borse) publishes the current constituent list. Swoopr does not republish it, because index providers license constituent data and Swoopr holds no such licence.