Patent ID: 8392309

Claim:
A system for a group equity index savings contract, comprising: a computer for documenting and maintaining the contract, including: a first benchmark fixed income investment index; a second benchmark equity investment index; a third benchmark index on a price of calls on the second benchmark equity investment index; a definition of deposits, withdrawals and investment credits, including timing parameters, fixed and other non-discretionary fee parameters, participation rate and associated constraints and parameters, and liquidation parameters; a definition of an eligible group of participants; a definition of investment cells and associated time periods for each cell; a definition of blending parameters defining anticipated interest and actual interest, such blending relating to an economic value of deposits in different investment cells; a definition of guarantees relating to minimum interest credits to investment cells and participants in such cells; and wherein the computer is configured to execute: a formula for determining the anticipated interest for each cell and each participant in the cell, and actual interest to be credited to each cell for each participant, which does not allow for discretionary input, and which is based solely on the benchmarks, the fees, the participation rate definition and parameters, deposits, withdrawals, blending parameters, and the guarantee and wherein the determined anticipated interest cannot be negative and wherein the anticipated interest is expressed as a participation rate relating to the increase in the second benchmark equity investment index over a specified period of time and wherein the interest is due as of a specified date.