Patent ID: 7062459

Claim:
A computer-aided method for implementing a synthetic investment fund, having at least two different kinds of shares, the method including the step of: forming the synthetic investment fund with a digital computer by entering data representing said at least two kinds of shares including an amount of an interest-bearing asset and an amount of a stock-related instrument, said amounts related by a mathematical relationship; and balancing, for each respective said kind of share, the amount of the interest-bearing asset and the amount of the stock-related instrument to maintain the mathematical relationship in response to input market price data corresponding respectively to the interest-bearing asset and to the stock-related instrument; calculating, for each respertive said kind of share, unit values for said shares in the fund in response to the input market price data; inputting, for each respective said kind of share, trade data to facilitate investors trading the shares in the fund; accounting, for each respective said kind of share, for the trading, for changes in the market price data for the interest-bearing asset, and for the amount of the stock-related instrument, and for transactions involving the interest-bearing asset and transactions involving the stock-related asset; and generating, for each respective said kind of share, price data and holding data as output for reporting to said investors.