Patent ID: 7693793

Claim:
A method for managing intra-day interest calculations for a bank account in an intra-day interest account management system, comprising: (a) in response to fluctuations in an account balance of the bank account, setting, by the intra-day interest account management system, balance determination times for the account, the balance determination times corresponding to a plurality of points in time within the span of a single day at which respective net account balances are to be used in an interest calculation for the account, wherein the balance determination times define intervals measured in at least one of seconds, minutes, or hours; (b) determining the balances for the account for the balance determination times, the determining including only transactions occurring prior to a specific balance determination time within the span of a single day; (c) determining applicable conditions for the interest calculation, the conditions relating to an interest rate to be applied based on an interest day type code assigned to the single day, the interest day type code associated with respective different interest rates at which respective net account balances are to be used in the interest calculation for the account, wherein a different interest rate is applied in the interest calculation for at least one of the balance determination times within the single day; (d) providing the account balances and applicable conditions to interest calculation logic in the intra-day interest account management system; and (e) recording a result of operations by the interest calculation logic in the intra-day interest account management system; and (f) presenting on a display device a graphical user interface having user-modifiable data fields providing a mapping of different interest rates to various interest day type codes, wherein the mapping of the different interest rates to each of the various interest day type codes is dependent upon conditions entered in the data fields related to the each of the different interest rates, and the conditions are modified according to user input.