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.



The action taken by the holder of a call option if he or she wishes to purchase the underlying futures contract or by the holder of a put option if he or she wishes to sell the underlying futures contract.