Patent attributes
Methods of the present invention identify an asset allocation model and at least one security associated there with. An investment account portfolio is stored that includes at least one substitute security associated with the identified at least one security. A virtual portfolio is then generated that includes the identified at least one security. A tax lot is created for the identified at least one security to identify a total value for the at least one security, and the method determines whether the virtual portfolio complies with the asset allocation model. The identified at least one security associated with the asset allocation model is restricted from the investment account portfolio.