Security that is not listed or traded on an exchange such as the New York Stock Exchange. Business in over-the-counter securities is conducted through dealers using electronic networks.

"Over-the-counter (otc)" In Context

"Most over-the-counter(OTC) products using a decongestant switched formulations to phenylephrine(PE), as in Sudafed PE. The problem is that many people don’t think it works as well. Indeed, that’s what the medical evidence says, as well. In 2006 ..."