1. A method for interim allocation of uninsured funds in a control operating account in an intermediary bank prior to actual distribution to one or more of a plurality of Federal Deposit Insurance Corporation (FDIC)-insured and interest-bearing destination aggregated accounts held among a plurality of deposit institutions participating in a program, comprising: (A) accessing, by one or more computers, one or more electronic databases comprising: (1) aggregated account information for a plurality of the FDIC-insured and interest-bearing destination aggregated accounts held in the deposit institutions participating in the program, wherein funds from a first plurality of client accounts of a plurality of clients are aggregated with funds of other client accounts in the destination aggregated accounts held in the deposit institutions, wherein each of the respective deposit institutions holds one or more of the destination aggregated accounts; (2) client account information for each of the respective client accounts comprising (i) a respective balance of funds from the respective client account held in each of one or more of the destination aggregated accounts holding funds of the respective client account and attributed to the respective client account; and (ii) information on a respective balance of funds held in the control operating account at the intermediary bank; (B) obtaining, by the one or more computers, transaction data for a second plurality of the client accounts comprising client deposits/transfers and/or withdrawals/transfers or nets thereof, with the transaction data for each respective one of the second plurality of the client accounts comprising a respective amount for each respective deposit/transfer and each respective withdrawal/transfer or the net thereof; (C) obtaining, by the one or more computers, an aggregated transaction amount based on a total net transaction from the transaction data for a plurality of the client accounts; (D) receiving or having received in the control operating account funds from one or more of the deposits/transfers of the plurality of said client accounts; (E) monitoring, by the one or more computers, the control operating account during an interim period prior to transfer of one or more fund amounts to one or more of the destination aggregated accounts in their respective deposit institutions, the monitoring comprising determining, for each of the second plurality of the client accounts with funds held in the control operating account, whether the respective amount of funds held in the control operating account for the respective client account exceeds a predetermined amount; (F) determining, by the one or more computers, or having determined by the one or more computers, an eligible client account that has funds in one or more of the destination aggregated accounts in one or more of the deposit institutions and that can have funds allocated to the control operating account in the intermediary bank on an interim basis that will result in balance of funds in the control operating account equal to or less than the predetermined amount; (G) changing an attribution, by the one or more computers, or having changed an attribution, by the one or more computers, in the one or more electronic databases, of a first amount of funds of one of the second plurality of the client accounts that has funds in the control operating account in the intermediary bank that exceeds the predetermined amount, to the eligible client account, prior to the transfer of the amounts of funds to one or more of the destination aggregated accounts, on at least an interim basis in the one or more electronic databases; (H) changing an attribution, by the one or more computers, or having changed an attribution, by the one or more computers, in the one or more electronic databases, of the first amount of funds in one or among more than one of the destination aggregated accounts in one or more of the deposit institutions holding funds of the eligible client account, to the one client account with the excess amount in the control operating account, in order to reduce the amount of funds listed in the one or more electronic databases for the one client account in the control operating account; (I) updating based at least in part on the attribution changes of steps (G) and (H), by the one or more computers, one or more of the electronic databases with data for each of a third plurality of the client accounts, with updated data for each of the client accounts comprising a respective balance of funds of the respective client account held in each of one or more of the deposit institutions holding funds of the respective client account and in the control operating account; (J) allocating, by the one or more computers, the aggregated transaction amount to one or more of the destination aggregated accounts in one or more of the deposit institutions; and (K) generating an instruction, by the one or more computers, to have distributed to one or more of the destination aggregated accounts in one or more of the deposit institutions the aggregated transaction amount in accordance with the allocating step.