Super Finance Glossary Over 10,000 financial glossary terms... Browse by Letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Or Enter Search Term: By Author: All Sources Campbell Harvey Internal Revenue Service Finance Globe FDIC Snow Gold CFTC U.S. Census Bureau Search Tips Lead Regulator Source Lead RegulatorDefinition: A leading self-regulatory organization that over sees compliance with a particular section of the law, such as the NYSE, ASE, or NASDAQ.