System, method and apparatus for forecasting data with real-time updates. The system includes an analysis server including an OLAP cube. System also includes information database coupled to analysis server to support the OLAP cube. System may include a first client and an analysis server coupled to first client. System may further include first customer information database coupled to analysis server. Method of maintaining information may include receiving set of forecast data, incorporating the forecast data into information database through OLAP cube, extracting a baseline forecast from the database, and receiving updates to database. Method may include propagating updates throughout the information through the OLAP cube.