About This ArticleOctober 2010
The Chicago Fed National Activity Index was –0.58 in September, down from –0.49 in August.

Index Shows Economic Activity Slowed Further in September
Last Updated: 10/25/10
Led by declines in production-related indicators, the Chicago Fed National Activity Index decreased to –0.58 in September from –0.49 in August. Three of the four broad categories of indicators that make up the index slightly improved from August, but only the sales, orders, and inventories category made a positive contribution to the index in September.