Observations

Feb 2025: 0.49535

Updated: Mar 31, 2025 7:31 AM CDT

Feb 2025:	0.49535
Jan 2025:	-0.26914
Dec 2024:	0.61758
Nov 2024:	-0.32571
Oct 2024:	-1.83046

Units:

Annualized Percent Change from Preceding Period,

Seasonally Adjusted

Frequency:

Monthly

Notes

Title	Release Dates

Brave-Butters-Kelley Cycle Component of GDP	2021-04-01	2022-07-04
Brave-Butters-Kelley Cycle Component of GDP (DISCONTINUED)	2022-07-05	2022-08-28
Brave-Butters-Kelley Cycle Component of GDP	2022-08-29	2025-03-31

Source

Federal Reserve Bank of Chicago	2021-04-01	2022-08-28
Indiana University: Indiana Business Research Center	2022-08-29	2025-03-31

Release

Brave-Butters-Kelley Indexes	2021-04-01	2025-03-31

Units

Annualized Percent Change from Preceding Period	2021-04-01	2025-03-31

Frequency

Monthly	2021-04-01	2025-03-31

Seasonal Adjustment

Seasonally Adjusted	2021-04-01	2025-03-31

Notes

The Brave-Butters-Kelley Indexes (BBKI) are a research project of the Federal Reserve Bank of Chicago. The BBK Coincident and Leading Indexes and Monthly GDP Growth for the U.S. are constructed from a collapsed dynamic factor analysis of a panel of 500 monthly measures of real economic activity and quarterly real GDP growth. The cycle component of GDP is expressed in annualized real GDP growth equivalent units. The cycle component is the sum of the leading and lagging subcomponents. For more details, see also: Brave, Scott A., Ross Cole, and David Kelley, 2019, A 'big data' view of the U.S. economy: Introducing the Brave-Butters-Kelley Indexes (https://www.chicagofed.org/publications/chicago-fed-letter/2019/422), Chicago Fed Letter, Federal Reserve Bank of Chicago, No. 422. Crossref, https://doi.org/10.21033/cfl-2019-422 Brave, Scott A., R. Andrew Butters, and David Kelley, 2019, A new 'big data' index of U.S. economic activity (https://www.chicagofed.org/publications/economic-perspectives/2019/1), Economic Perspectives, Federal Reserve Bank of Chicago, Vol. 43, No. 1. Crossref, https://doi.org/10.21033/ep-2019-1	2021-04-01	2022-08-28
The Brave-Butters-Kelley Indexes (BBKI) are the byproduct of research originally conducted by the Federal Reserve Bank of Chicago. Currently, the BBKI are maintained and produced by the Indiana Business Research Center at the Kelley School of Business at Indiana University. The BBK Coincident and Leading Indexes and Monthly GDP Growth for the U.S. are constructed from a collapsed dynamic factor analysis of a panel of 490 monthly measures of real economic activity and quarterly real GDP growth. The cycle component of GDP is expressed in annualized real GDP growth equivalent units. The cycle component is the sum of the leading and lagging subcomponents. For more details, see also: Brave, Scott A., Ross Cole, and David Kelley, 2019, A 'big data' view of the U.S. economy: Introducing the Brave-Butters-Kelley Indexes (https://www.chicagofed.org/publications/chicago-fed-letter/2019/422), Chicago Fed Letter, Federal Reserve Bank of Chicago, No. 422. Crossref, https://doi.org/10.21033/cfl-2019-422 Brave, Scott A., R. Andrew Butters, and David Kelley, 2019, A new 'big data' index of U.S. economic activity (https://www.chicagofed.org/publications/economic-perspectives/2019/1), Economic Perspectives, Federal Reserve Bank of Chicago, Vol. 43, No. 1. Crossref, https://doi.org/10.21033/ep-2019-1	2022-08-29	2025-03-31

Release Tables

Brave-Butters-Kelley Indexes

Monthly Indexes

Brave-Butters-Kelley Cycle Component of GDP (BBKMCY)

Notes

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Brave-Butters-Kelley Cycle Component of GDP (BBKMCY)

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