Patent ID: 7698197

Claim:
A computer-implemented method of providing an index of initial public offerings (IPOs), the method comprising: evaluating, using a computer system, IPOs for a period of time after their first trading day; calculating, using the computer system, an initial return performance for each IPO during the period of time after their first trading day; selecting a set of IPOs for inclusion in the IPO index, the IPOs being included based on at least two eligibility parameters including a minimum market capitalization and a predetermined characteristic of their respective initial return performance; excluding, using the computer system, IPOs from the IPO index after a predetermined time period, wherein the predetermined time period is between 900 and 1,100 trading days; selecting, using the computer system, an index start date and base value; acquiring, using the computer system, price data and weighting data for the included IPOs; determining, using the computer system, first adjustment factors associated with any new exclusion of an IPO from the selected set of IPOs; determining, using the computer system, second adjustment factors associated with any new inclusion of an IPO in the selected set of IPOs; computing, using the computer system, an index value based at least in part on the index start date and base value, the acquired price data and weighting data, and the determined first and second adjustment factors; and storing the computed index value in a database of the computer system.