A method, program product and system for pre-funding interest in the process of managing a group of aggregated accounts, each aggregated account held in a different one of a plurality of deposit institutions, each of the aggregated accounts associated with at least one financial entity and holding funds of a plurality of clients of the at least one financial entity, each of the clients having a client asset balance in a respective client account associated with the at least one financial entity, the method comprising: (a) receiving or calculating a pre-funding amount for interest for one or more client accounts; (b) receiving access to or obtaining control over funds for the pre-funding amount; (c) receiving information about a termination of a given client account with funds held in the one or more aggregated accounts prior to an end of an interest period; (d) receiving or calculating an interest payment due to the client account for the client asset balance; and (e) transferring before the end of the interest period an amount from the funds for the pre-funding amount to satisfy the interest payment due for the one or more aggregated accounts.