A system and method are provided for defining slop parameters to an individual spread order or a customized group of orders. The system and method may be used to, for example, define inside slop, outside slop, and/or adjustable range parameters to one or more orders. The inside slop, outside slop, and/or...http://www.google.de/patents/US7991668?utm_source=gb-gplus-sharePatent US7991668 - System and method for regulating order entry in an electronic trading environment