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

Option

A contract giving the holder the right or the “option†(not the obligation) to buy (call option) or sell (put option) a futures contract in a given commodity at a specified price at any time between now and the expiration of the option contract.