OEX

The OEX is an index of 125 of the largest companies in the United States. It is a capitalization-weighted index, which means that the companies with the largest market capitalizations have the largest weightings in the index. The OEX is a widely followed index and is often used as a benchmark for the performance of the U.S. stock market.

The OEX was created in 1983 by the Chicago Board Options Exchange (CBOE). The index is based on the prices of the 125 stocks that are most actively traded on the CBOE. The OEX is a price-weighted index, which means that the companies with the highest stock prices have the largest weightings in the index.

The OEX is a popular index for trading options. Options are contracts that give the buyer the right to buy or sell a stock at a certain price on a certain date. Options are often used to hedge against risk or to speculate on the future price of a stock.

The OEX is a good index for investors who want to track the performance of the U.S. stock market. The index is also a good index for investors who want to trade options.