Productivity index shows the volumes of released production per worker. It is a very important indicator for economy analysis. Productivity index has significant forex market influence, though it must be carefully followed as sometimes it may lead to error. For example, a decrease in the number of production employees during the economy standstill can lead to an increase in productivity. The same can occur as a result of worker strikes. An increase in this index’s value is a positive factor for national economy development and leads to the US dollar rate growth. The data on Productivity USA Index is published on a quarterly basis in the first decade of the publication month.