The wholesale price index (WPI) is a decisive economic indicator for the domestic economy and is part of a comprehensive price index system. The task of the wholesale price index is to present the monthly price trends of goods sold by wholesalers by using the wholesale selling prices (excluding VAT) as the price basis. The survey area includes ÖCPA 2015 section 45 and 46 as far as referring to the wholesale trade. The price survey contains of 392 goods resulting from 550 wholesale companies, which currently report about 3 100 wholesale selling prices (excluding VAT) per month. The wholesale price index is used for a large number of commercial contracts and valorisations by public authorities as well as domestic and foreign companies.