From Longman Business Dictionaryover-the-counter stockˌover-the-ˈcounter ˌstock abbreviation OTC stock [countable, uncountable]FINANCE stock in a newer or smaller company that is not bought and sold through dealers on the main stockmarket but on a computer-based market such as NASDAQIn the Nasdaq trading system, traders buy and sell over-the-counter stocks on electronic screens. → stock
