Patents by Inventor John Wightkin

John Wightkin has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Data processing system, methods and computer program for determining the transaction costs for a linked set of stock transactions
    Publication number: 20050102218
    Abstract: A data processing system, methods and computer program that determine transaction costs associated with a stock trade. A first portion of the analysis is a trade identification and association portion that identifies previous related trades from a database and orders the trades by ticker identity, time, price and share volume. A second portion determines individual transaction costs, including individual liquidity charge, individual liquidity premium and individual spread charge. A third portion determines cumulative liquidity charge, cumulative liquidity premium and cumulative spread charge. The program that enables the various analyses is also disclosed.
    Type: Application
    Filed: November 10, 2003
    Publication date: May 12, 2005
    Inventors: Timothy Sargent, John Wightkin, Ning Wei