Alert Server
An alerts server is a computer or a cluster of computers watching market data looking for specific patterns or events. Alerts are almost always computed by an alerts server then distributed to the individual clients. The networking, computation, and storage requirements to properly find market alerts in real-time is too great for most end users.
Our alerts service is the extreme case of this setup. A user can watch for alerts on a low end computer with a slow dial-up connection to the Internet.