Patent ID: 7539636
Filing Date: 2009-05-26
Classification: G06Q

Abstract:
1. A computer-implemented method for creating a database, said method comprising: at one or more computers, collecting security transaction data for a preselected period of time, for a plurality of institutional investors, said transaction data including identity of securities being traded, transaction order sizes, execution prices and execution times; grouping said transaction data into groups of orders, wherein each group of orders consists of a plurality of orders each associated with a common category from a plurality of common categories; calculating a plurality of cost benchmarks for each group of orders; estimating transaction costs for each institutional investor from said transaction data relative to each of said calculated cost benchmarks for each category of said plurality of common categories; and storing said data for said calculated benchmarks and said estimated transaction costs; wherein the grouping of transaction data into groups of orders includes combining discrete transaction data which form an order into each order.