- Forecasting Demand to be prepared seek to the markets most modern and effect of the month, the company further and finally forecasts weekly for the next week with an accurate and real as possible. However, the figures show the benefits will continuous decrease as the period is shortened. This is due to the late delivery cannot take any measures to reduce any result caused by the latest container. Shipping is a derived demand of the international trade, thus the type of commodities or the number of containers that a country imports and exports will vary from time to time. It is very difficult to predict either. Therefore it is essential to frequently update the forecast taking the trends of country’s external trade into consideration. The figure below illustrates that how different types of forecasts can be used in a sequential process. This helps to minimize potential risk of substantial gap between the original forecast and actual container stocks.