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.


Limit Up or Down

The maximum price advance or decline from the previous day�s settlement price permitted during one trading session, as fixed by the rules of an exchange.