Loading the player... Covariance is a measure of the degree to which returns on two risky assets move in tandem. A positive covariance means that asset returns move together, while a negative covariance means returns move inversely.
1. Rotterdam (the Netherlands) This Dutch harbor was the largest in the world, until Shanghai and Singapore grew even larger in 1986. This satellite photo gives an indication of the size of the Port of Rotterdam. (Image via Mannlines) About an hour and a half to the south of Rotterdam is Antwerp, the largest port in Belgium.
Rotterdam (The Netherlands): The only European marine port listed, the Rotterdam port is ranked fourth in the list of biggest marine ports in the world. It also served as the largest port in the world for 42-years between 1962 and 2004 before it was surpassed by Singapore and Shanghai, in that order. The Rotterdam port is the largest port in the whole of Europe. 5.Tianjin (China): Situated at the River Haihe, the Tianjin port in China is ranked fifth in the list of biggest ports in the world. At present it is connected to over 400 ports in nearly 200 countries across the world, a figure which is expected to rise by the next four years. The Tianjin port is the third largest port in China and the single-largest port in the Northern part of the country. 6.