BEL 20

The BEL 20 is the benchmark stock market index of Euronext Brussels. 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 BEL20 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,[2] only to be replaced mid June by arGEN-X.

BEL 20
BEL 20 performance between 1991 and 2019
Foundation30 December 1990
OperatorEuronext
ExchangesEuronext Brussels
Constituents20
TypeLarge cap
Market cap287.5 billion (end 2018)[1]
Weighting methodCapitalization-weighted
Websitewww.euronext.com
The Brussels Stock Exchange.