Investor protection. Market integrity.
The Financial Industry Regulatory Authority (FINRA) is a private American corporation that acts as a self-regulatory organization (SRO) which regulates member brokerage firms and exchange markets. FINRA is the successor to the National Association of Securities Dealers, Inc. (NASD) as well as the member regulation, enforcement, and arbitration operations of the New York Stock Exchange. The US government agency which acts as the ultimate regulator of the US securities industry, including FINRA, is the US Securities and Exchange Commission (SEC).