Welcome to the RJO Futures trading terms glossary. Within this glossary, you will find an expansive list of trading terms covering commodity, option, and futures trading terminology. Bookmark this section as a quick reference for definitions of trading terms as you browse the Internet and our site for more information on futures and options trading within the financial and commodities markets.

O

Over the Counter

AKA: OTC A market where products such as foreign currencies are bought and sold by telephone and other electronic means of communication, rather than on a designated futures exchange.