The NYSE Composites Index is a broad-based index that tracks the performance of all common stocks listed on the New York Stock Exchange. It is one of the oldest and most widely followed stock market indicators in the world.
The NYSE Composites Index was created in 1965 with a base value of 50 points. It is calculated using a modified market capitalization-weighted methodology, which means that the weight of each stock in the index is proportional to its market value, but with some adjustments to ensure diversification and liquidity. The index is rebalanced quarterly and reviewed annually.
The NYSE Composites Index covers all sectors of the economy and reflects the overall health and growth of the U.S. stock market. It is often used as a benchmark for investors and analysts who want to compare the performance of individual stocks or portfolios with the broader market. The index also serves as the basis for several exchange-traded funds (ETFs) and index futures contracts.
The NYSE Composites Index has several sub-indices that focus on specific segments of the market, such as the NYSE American Composite Index, the NYSE Arca Composite Index, the NYSE World Leaders Index, and the NYSE International 100 Index. These sub-indices provide more granular insights into the trends and movements of different types of stocks and regions.
The NYSE Composites Index is updated every 15 seconds during the trading hours of the NYSE, which are from 9:30 a.m. to 4:00 p.m. Eastern Time, Monday to Friday, except on holidays. The index is disseminated through various media outlets and online platforms, such as the NYSE website, Bloomberg, Reuters, and Yahoo Finance.