A system and method is provided to allow traders to submit midprice orders to trade at a price within a spread of a market, preferably at the midpoint of a spread market, while maintaining anonymity of the midprice order. A midprice order is anonymous because other traders do not know whether the submitted...http://www.google.de/patents/US7827089?utm_source=gb-gplus-sharePatent US7827089 - Systems and methods for trading at a price within a spread market
