The CAC 40 is France’s flagship stock market index and one of Europe’s most important equity benchmarks. It tracks the 40 largest and most actively traded companies listed on the Euronext Paris exchange, representing many of France’s leading multinational corporations.
With companies spanning luxury goods, banking, energy, healthcare, aerospace, and industrials, the CAC 40 provides investors with a comprehensive view of the French economy and its global business presence.
The CAC 40 was launched in 1987 by the Paris Bourse to provide a standardized benchmark for the French stock market. Since its creation, the index has become the primary measure of French equity performance and one of the most closely followed indices in continental Europe.
The CAC 40 tracks the 40 largest listed companies on Euronext Paris based on free-float market capitalization and liquidity.
Major sectors include:
Luxury Goods
Financial Services
Energy
Industrials
Healthcare
Consumer Products
Aerospace
The index is reviewed regularly to ensure it reflects France’s leading publicly traded companies.
The CAC 40 is widely used to:
Measure the French stock market.
Benchmark investment portfolios.
Monitor corporate performance.
Support ETFs and index funds.
Track investor sentiment.
Assess the strength of the French economy.
It serves as the leading equity benchmark for France.
Movements in the CAC 40 often reflect:
European economic growth.
Luxury goods demand.
International trade.
Corporate earnings.
Investor confidence.
Global capital flows.
Because many CAC 40 companies generate substantial international revenue, the index is closely linked to the global economy.
The index offers several advantages:
Exposure to France’s largest companies.
Broad sector diversification.
Free-float market-cap weighting.
High liquidity.
International recognition.
Long performance history.
These characteristics make it one of Europe’s most influential stock market benchmarks.
Launched: 1987
Companies: 40
Weighting Method: Free-Float Market Capitalization
Coverage: France’s Largest Listed Companies
Known For: Benchmark of the French Stock Market
Global Importance: One of Europe’s leading stock market indices
The CAC 40 provides investors with exposure to some of France’s largest and most internationally recognized companies. By representing key sectors of the French economy and reflecting both European and global market trends, the index remains an essential benchmark for international investors seeking exposure to one of Europe’s largest financial markets.
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Last Updated: August 1, 2026