What Is the CAC 40 Index?

The CAC 40 Index (PX1) is the benchmark stock index of the Paris Stock Exchange, comprising the 40 largest and most liquid publicly traded companies in France by market capitalization. The index is calculated on a price-weighted basis and does not include dividends. It serves as a key barometer for the overall performance of the French equity market.

PX1 Latest Market Analysis

As of September 15, 2025, PX1 closed at 7,825.24 points, up 1.72 points from the previous trading day—a gain of 0.02%.

Over the past 52 weeks, PX1 has traded between a low of 6,763.76 and a high of 8,257.88. The current level places the index near the midpoint for the year, underscoring a period of market stability.

Performance of Leading Constituents

Noteworthy top-performing PX1 constituents include:

• Hermès: Renowned for its luxury goods, showing stable and sustained share price growth.
• LVMH: The world’s leading luxury conglomerate, consistently posting strong results.
• Capgemini: An IT services provider capitalizing on accelerating digital transformation trends.

These companies hold significant weight in PX1 and exert a substantial influence on the index’s performance.

Investment Recommendations and Risk Disclosures

New investors can access PX1 in the following ways:

• ETFs: For example, the Lyxor CAC 40 ETF, which tracks the PX1 index.
• Index Funds: Such as the Amundi CAC 40 Index Fund, suitable for long-term strategies.

However, investing in PX1 carries inherent risks:

• Market Volatility: Shifts in French or European economic policy can impact index performance.
• Currency Risk: For investors outside the eurozone, exchange rate fluctuations can affect returns.

Investors should thoroughly research market conditions and make decisions based on their individual risk tolerance before investing.