A client terminal displays on a graphical interface a first indicator of a price associated with a lowest traded price of a tradable object during a predetermined period of time, a second indicator of a price associated with a highest traded price of the tradable object during the predetermined period...http://www.google.de/patents/US7756775?utm_source=gb-gplus-sharePatent US7756775 - System and method for displaying highest and lowest traded prices of tradable objects
