Chicago Stock Exchange (CHX) is an integral part of the National Market System. The exchange is a national securities exchang ... e and Self-Regulatory Organization, which operates under the oversight of the U.S. Securities and Exchange Commission (SEC). CHX offers the ability to transact business in virtually all equity securities traded on NYSE, AMEX, NASDAQ, or other national securities exchanges. CHX’s robust Matching System, innovative products and connectivity to order sending firms and market makers enables the exchange offer functionality beyond the simple matching of orders. CHX is an ideal venue for hedge funds, options market makers, quantitative traders, professional traders, and active individual traders that require immediate and automated execution, in addition to serving the needs of traditional broker-dealer clients and the individual investors they represent. read more