The SPX Composite Index is a broad market index that represents the performance of the S&P 500 Index (SPX) and the Nasdaq Composite Index (NASDAQ) combined. It is used to track the overall performance of the U.S. stock market and is often used as a proxy for the overall health of the U.S. economy.

Key Features:

• Market-cap weighted: The SPX Composite Index is market-cap weighted, meaning that companies with larger market capitalizations have a greater influence on the index’s performance.
• Constituents: The index consists of 500 large-cap U.S. companies, including the S&P 500 Index constituents and many others from the Nasdaq Composite Index.
• Performance: The SPX Composite Index tracks the total return of the participating companies, including dividends and capital gains.
• Methodology: The index is calculated by taking a weighted average of the prices of the constituent companies. The weights are based on the company’s market capitalization.
• Correlation: The SPX Composite Index is highly correlated with the S&P 500 Index and the Nasdaq Composite Index.

Indexes Tracking SPX Composite:

• SPX Composite Index: Tracks the performance of the SPX Composite Index itself.
• SPX Composite Index Fund: A passively managed fund that tracks the SPX Composite Index.
• Exchange-traded Funds (ETFs): Several ETFs track the SPX Composite Index, including the SPY ETF and the VIX ETF.

Uses:

• Investment: Investors use the SPX Composite Index to track the overall performance of the U.S. stock market and to gauge the overall health of the U.S. economy.
• Benchmark: The SPX Composite Index is often used as a benchmark for other investments and indices.
• Economic analysis: Economists use the SPX Composite Index to analyze economic trends and to forecast future market performance.

Additional Information:

• The SPX Composite Index was first created in 1923.
• The index is published by the Financial Times.
• The SPX Composite Index is a widely tracked index and is often used as a proxy for the U.S. stock market.