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

OPEC

AKA: Organization of Petroleum Exporting Countries This organization emerged as the major petroleum pricing power in 1973, when the ownership of oil production in the Middle East transferred from the operating companies to the governments of the producing countries or to their national oil. Members are: Algeria, Indonesia, Iran, Iraq, Kuwait, Libya, Nigeria, Qatar, Saudi Arabia, the United Arab Emirates, and Venezuela.