Patent ID: 8082204
Filing Date: 2011-12-20
Classification: G06Q

Abstract:
1. A method for trading a list of securities, comprising steps of: receiving a request to trade a list of securities, said request including user defined trading constraints; submitting a plurality of trade orders to a plurality of destinations including at least one alternative trading system (ATS), based on trading data related to said destinations, said trade list, and said trading constraints; identifying each executed trade corresponding to said plurality of trade orders; calculating, by a computer configured to trade a list of securities, a trade imbalance based on the identified executed trades and said trade list; determining whether said trade imbalance exceeds said trading constraints; and reallocating one or more of said submitted orders based on said determining step, wherein said trading constraints include at least one of a BUY minus SELL tolerance, a SELL minus BUY tolerance, and a SELL-to-BUY ratio.