Patents by Inventor David Hait

David Hait 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).

  • Method of determining implied volatility for American options
    Patent number: 8032440
    Abstract: A new computer-implemented method for determination of a financial index, namely, implied volatility for American options. The method involves the division of the period until option expiration into a series of sub-periods, and calculation of a node vega, the node vega being the exact derivative of the option price with respect to the volatility at the end of at least one of said subperiods.
    Type: Grant
    Filed: October 30, 2003
    Date of Patent: October 4, 2011
    Assignee: Optionmetrics LLC
    Inventor: David Hait