CBAI Index

Chicago Business Activity Index

The CBAI index estimate the change in Chicago‚Äôs economic activity, in a timely and comprehensive manner.  Similar to national coincidence index, the CBAI is a monthly statistics, measuring local business cycle status by leading 2-to-3 months ahead, of the six-county Chicago region. The CBAI index is designed and published monthly by REAL as an Adobe Acrobat Portable Document File (PDF), and replaces the CRAIN’s which is withdrawn.

The monthly report of CBAI is available around the 20th of each month, for further inquiries please contact Haozhi Pan (

CBAI prior to 2005 is also available upon request.

For more information, see What is the CBAI Index?