Abstract: A device including a processor which automatically allocates and transfers funds in a sweep account between a primary on-balance demand account and one or more off-balance accounts in a manner which assists the bank in maintaining an optimal liquidity profile and capital structure. The device is adapted to prepare and analyze current data pertaining to the liquidity profile and capital structure of a bank and compare this data to predetermined reference values stored in data storage means of the device. The device has an allocation unit which utilizes an algorithm in order to allocate an amount of funds to transfer between an on-balance account and one or more off-balance accounts which will provide an optimal liquidity profile and capital structure for the bank.