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

Consumer Price Index

AKA: CPI A major inflation measure computed by the U.S. Department of Commerce. It measures the change in prices of a fixed market basket of some 385 goods and services in the previous month.