| 摘要 |
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. |
