The Chicago Fed National Activity Index (CFNAI) is designed to gauge overall economic activity and related inflationary pressure. The CFNAI is based on a weighted average of 85 existing monthly indicators of national economic activity. It has an average value of zero and a standard deviation of one. Since economic activity tends toward trend growth rate over time, a positive reading corresponds to growth above trend and a negative reading corresponds to growth below trend. This page provides the latest reported value for - United States Chicago Fed National Activity Index - plus previous releases, historical high and low, short-term forecast and long-term prediction, economic calendar, survey consensus and news. United States Chicago Fed National Activity Index - actual data, historical chart and calendar of releases - was last updated on September of 2018.