One Cancels Other Order
Synonyms: O.C.O. Order, OCO
Often abbreviated to “OCO”.
A form of contingent order which occurs in pairs. If one of the orders is executed then the other is cancelled automatically.
For example, if a trader has both a stop order and a limit order on one of the automated trading platforms, when either the stop or limit price is reached then the other is cancelled automatically.Back to Glossary