Patents by Inventor Chenjian Xu

Chenjian Xu 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).

  • Methods and Systems for Risk Management
    Publication number: 20110173135
    Abstract: In one aspect, the invention comprises acquiring background data regarding securities positions and regarding real-time pricing data; performing calculations regarding intermediate measures of performance of the securities; receiving configuration data for a portfolio of securities and one or more data requests, at least one of the data requests comprising a request for a value at risk report regarding the portfolio; and providing a value at risk report based on a Parkinson's volatility estimation. In another aspect, the invention comprises displaying a tree structure display in a first portion of a graphical user interface display; in response to a user selecting an item from the tree structure display, displaying a corresponding listing in a tabular display in a second portion of the graphical user interface display; and in response to the user selecting a listing in the tabular display, displaying a corresponding item in the tree structure display.
    Type: Application
    Filed: March 21, 2011
    Publication date: July 14, 2011
    Applicant: RealTick LLC
    Inventor: Chenjian Xu
  • Methods and systems for risk management
    Patent number: 7925561
    Abstract: In one aspect, the invention comprises acquiring background data regarding securities positions and regarding real-time pricing data; performing calculations regarding intermediate measures of performance of the securities; receiving configuration data for a portfolio of securities and one or more data requests, at least one of the data requests comprising a request for a value at risk report regarding the portfolio; and providing a value at risk report based on a Parkinson's volatility estimation. In another aspect, the invention comprises displaying a tree structure display in a first portion of a graphical user interface display; in response to a user selecting an item from the tree structure display, displaying a corresponding listing in a tabular display in a second portion of the graphical user interface display; and in response to the user selecting a listing in the tabular display, displaying a corresponding item in the tree structure display.
    Type: Grant
    Filed: March 1, 2007
    Date of Patent: April 12, 2011
    Assignee: RealTick LLC
    Inventor: Chenjian Xu
  • Methods and systems for risk management
    Publication number: 20070219893
    Abstract: In one aspect, the invention comprises acquiring background data regarding securities positions and regarding real-time pricing data; performing calculations regarding intermediate measures of performance of the securities; receiving configuration data for a portfolio of securities and one or more data requests, at least one of the data requests comprising a request for a value at risk report regarding the portfolio; and providing a value at risk report based on a Parkinson's volatility estimation. In another aspect, the invention comprises displaying a tree structure display in a first portion of a graphical user interface display; in response to a user selecting an item from the tree structure display, displaying a corresponding listing in a tabular display in a second portion of the graphical user interface display; and in response to the user selecting a listing in the tabular display, displaying a corresponding item in the tree structure display.
    Type: Application
    Filed: March 1, 2007
    Publication date: September 20, 2007
    Applicant: Townsend Analytics, Ltd.
    Inventor: Chenjian Xu