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.
A method of quoting exchange rates, which measures the amount of foreign currency needed to buy one U.S. dollar (i.e., foreign currency unit per dollar). See Reciprocal of European Terms.