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BEL20 on Euronext Brussels

BEL20

Blue chip stock market index

The BEL 20 is the benchmark stock market index of Euronext Brussels. It tracks the performance of 20 most capitalized and liquid stocks traded in Belgium. In general, the index consists of a minimum of 10 and a maximum of 20 companies traded at the Brussels Stock Exchange.2 Its shares trade on Euronext Brussels under the symbol BEL20.1 Wikipedia text CC BY-SA 4.0

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Last updated Oct 21, 2026.

Overview

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Bourse Bxl 01
Photo: No machine-readable author provided. Ben2~commonswiki assumed (based on copyright claims)., CC BY-SA 3.0, via Wikimedia Commons3

The BEL 20 is the benchmark stock market index of Euronext Brussels. It tracks the performance of 20 most capitalized and liquid stocks traded in Belgium. In general, the index consists of a minimum of 10 and a maximum of 20 companies traded at the Brussels Stock Exchange. Since 20 June 2011, the BEL 20 has contained 20 listings, with the exception a one-month period in May–June 2018 when Ablynx stock was removed following the takeover by Sanofi, only to be replaced mid June by arGEN-X.2

Subsidiaries and ownership

Owners

From Wikidata.1

Timeline

  1. Dec 30, 1990Went public Listed on Euronext Brussels1

Sources

The numbers on this page point here. Each one links to the record it came from.

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