Market capitalization is often presented as a sign of economic vitality. The higher the total value of listed companies, the stronger and more attractive the market appears. However, this indicator can give a partial, or even misleading, picture of the economic reality of a country or region.

Market capitalization represents the total value of companies listed on the stock exchange. It is calculated by multiplying the number of a company's shares by their market price. When share prices rise, market capitalization increases, even if the company's actual business activity does not grow at the same rate.

Within the WAEMU region, the BRVM regularly boasts a market capitalization exceeding 10 trillion CFA francs. At first glance, this figure might suggest that the regional financial market is growing and reflects an expanding economy. However, this value is based on a limited number of companies and a few particularly dominant groups.

Companies like Sonatel, Orange Côte d'Ivoire, Société Ivoirienne de Banque, and TotalEnergies Marketing Côte d'Ivoire alone represent a significant portion of the total market value. A few large-cap stocks can therefore drive the indices upward, while many smaller companies remain unlisted or struggle to secure financing.

This concentration is all the more pronounced given the shallow nature of West African financial markets. The number of listed companies remains low, and daily trading volumes are modest. Under these conditions, a rise in the value of a few large stocks can significantly increase overall market capitalization without necessarily reflecting a general improvement in the economy.

Changes in market capitalization can also be influenced by factors external to productive activity. A drop in interest rates, the arrival of new investors, or a temporary rise in global prices can drive up share prices. Conversely, a climate of political uncertainty or a rise in bond yields can cause the market to fall, even if companies continue to produce and invest.

In developed economies, market capitalization often reflects a significant portion of economic activity because a large number of companies are publicly traded. This is not yet the case in West Africa, where much of the activity remains driven by SMEs, family businesses, and a vast informal sector absent from financial markets.

Market capitalization therefore remains a useful indicator for measuring the attractiveness of a market or the performance of large listed companies. However, it is not sufficient on its own to judge the economic dynamism of a country. A rising stock market can coexist with weak growth, high unemployment, or a fragile entrepreneurial ecosystem.