Patent ID: 8036964

Claim:
A computer-implemented method supporting the issuance and remarketing of a straight, non-convertible debt security, comprising the steps of: using a transaction computer system and one or more data storage media, creating a projected payment schedule for the debt security, wherein creating the projected payment schedule comprises calculating projected contingent payments for the debt security based on one or more of forward rates and expected values of contingent payments as of the debt security's issue date; using the transaction computer system and one or more data storage media, calculating adjustments based on differences between the projected contingent payments and actual contingent payments; and using the transaction computer system and one or more data storage media, at one of a plurality of remarketing dates for the debt security, determining a yield for a next time period based on a benchmark interest rate in effect at least three months earlier than a current, remarketing date, and calculating a plug rate based on the determined yield for the next time period and a total yield that is associated with the debt security for a period beginning at the current remarketing date and ending at, a subsequent remarketing date, wherein the plug rate represents a yield associated with the debt security over a remainder time period beginning after the next time period and ending at the subsequent remarketing date.