Patent ID: 7644029

Claim:
Apparatus to operate a synthetic investment fund, the apparatus including: a digital electrical computer system comprising a processor electrically connected to a memory for storing and retrieving machine-readable signals, to an input device for converting input information into input data, and to an output device for converting output data into print, the processor programmed to control the system to receive the input data and to produce the output data by operations including: forming a synthetic investment fund by receiving, as some of the input information, an amount of an interest-bearing asset and an amount of a derivative instrument, and by receiving a specification of a relationship of the amounts; receiving, as some of the input information, respective market prices for the interest-bearing asset and for the derivative instrument; inputting, as some of the input information, data reflecting respective holdings for the interests in the fund; calculating a unit value for at least one class of interests in the fund in response to the market prices; and generating the output data including holding data for each said class of interests in the fund and the unit value for each said class of interests in the fund.