It was established in 1929 and currently has 19 members and 81 listed securities with a total market capitalisation of $71.1 billion in 2018.

IGB was replaced in January 2002 by two indexes: MASI (Moroccan All Shares Index), comprises all listed shares, allows investors to follow all listed values and to have a long-term visibility.

The stock markets of Casablanca and Tunis (Bourse de Tunis) are covered in a quarterly report on Arab stock exchanges established by the Abu Dhabi-based Arab Monetary Fund.

The report includes individual indices for each market, as well as a weighted composite tracking four Middle Eastern and two North African stock exchanges.

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