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.


Split Fill

A split fill is an order consisting of more than one lot, where contracts are filled at different prices, this is also known as order splitting. This is most commonly done with larger orders so that the order in question can be filled automatically. A split fill is most likely to happen market depth and trading volume is lower than usual. A split fill allows smaller time traders (ordering less than 1,000 shares) to have the same type of access to orders and contracts and large-scale traders.