Abstract: Provided is a system and a method for entering market actions into an automated exchange system (200). More specifically the automated exchange system (200) and the method enables automatic generation of input data messages comprising new, altered or cancelled orders and, or, quotes to be sent to a matching module (203) via an internal, interface (205). Thus, the invention provides algorithmic trade participants with tools for installing algorithmic trade units directly into the automated exchange system (200). The automated exchange system (200) and the method allows a full trading cycle to be performed with low latency and reduce the amount of data directed to-, and from the automated exchange system (200).