The American STOCK Exchange (AMEX) is a STOCK exchange located in New York City. It is the third-largest STOCK exchange in the United States by trading volume and the largest options exchange in the world. AMEX was founded in 1842 and is now owned by the Intercontinental Exchange. It offers a wide range of products, including stocks, options, ETFs, and mutual funds. AMEX is also known for its innovative products, such as the first-ever ETF, the first-ever leveraged ETF, and the first-ever inverse ETF.