Why you shouldn't put all the eggs in a basket, Markowitz already explained 1952 With its portfolio theory. This strategic idea is also on real estate, be it as a portfolio of locations, Objects, Transfer tenants or types of use.

The basis for portfolio management is formed by the specifications of a fixed strategy. This is developed from the point of view of the risk assessment and return on possibilities, implemented, checked and possibly adapted (Analysis planning control control).

There are various methods and procedures. for the implementation of real estate and real estate portfolios.. The foundation for this is reliable data which, through targeted aggregation and processing, , helps to bring about decisions. These can range from KPI (Key-Performance-Indicator) to scoring models and cash flow calculations.