Futures Trading Terms Glossary

OPEN INTEREST

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.

O

Open Interest×

The total number of futures or options on futures contracts that have not yet been offset or fulfilled by delivery.