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.

C

Cancel Order

To abort a pending or working order. If a trader attempts to cancel an order that has already been executed, but has not yet been reported as having been filled, it will be “too late to cancel†when the order is reported as filled.