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St. Louis Fed Financial Stress Index (STLFSI4)

Observations

2026-08-21: -0.8107
Updated: Aug 26, 2026 12:47 PM CDT
2026-08-21:  -0.8107  
2026-08-14:  -0.8282  
2026-08-07:  -0.7700  
2026-07-31:  -0.5052  
2026-07-24:  -0.8254  

Units:

Index,
Not Seasonally Adjusted

Frequency:

Weekly,
Ending Friday

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Notes

Title Release Dates
St. Louis Fed Financial Stress Index 2022-11-10 2026-08-26
 
Source    
Federal Reserve Bank of St. Louis 2022-11-10 2026-08-26
 
Release    
St. Louis Fed Financial Stress Index 2022-11-10 2026-08-26
 
Units    
Index 2022-11-10 2026-08-26
 
Frequency    
Weekly, Ending Friday 2022-11-10 2026-08-26
 
Seasonal Adjustment    
Not Seasonally Adjusted 2022-11-10 2026-08-26
 
Notes    
The STLFSI4 measures the degree of financial stress in the markets and is constructed from 18 weekly data series: seven interest rate series, six yield spreads and five other indicators. Each of these variables captures some aspect of financial stress. Accordingly, as the level of financial stress in the economy changes, the data series are likely to move together.

How to Interpret the Index:
The average value of the index, which begins in late 1993, is designed to be zero. Thus, zero is viewed as representing normal financial market conditions. Values below zero suggest below-average financial market stress, while values above zero suggest above-average financial market stress.

More information:
The STLFSI4 is the third revision (i.e., STLFSI3 (https://fred.stlouisfed.org/series/STLFSI3) and STLFSI2 (https://fred.stlouisfed.org/series/STLFSI2) of the original STLFSI (https://fred.stlouisfed.org/series/STLFSI). Whereas the STLFSI3 used the past 90-day average backward-looking secured overnight financing rate (SOFR) (https://fred.stlouisfed.org/series/SOFR90DAYAVG) in two of their yield spreads, the STLFSI4 uses the 90-day forward-looking SOFR (https://www.cmegroup.com/market-data/cme-group-benchmark-administration/term-sofr.html) in its place. For more information, see "The St. Louis Fed’s Financial Stress Index, Version 4.0" (https://fredblog.stlouisfed.org/2022/11/the-st-louis-feds-financial-stress-index-version-4/). For information on earlier STLFSIs, see "Measuring Financial Market Stress" (https://files.stlouisfed.org/files/htdocs/publications/es/10/ES1002.pdf), "The St. Louis Fed’s Financial Stress Index, Version 2.0." (https://fredblog.stlouisfed.org/2020/03/the-st-louis-feds-financial-stress-index-version-2-0/), and "The St. Louis Fed’s Financial Stress Index, Version 3.0" (https://fredblog.stlouisfed.org/2022/01/the-st-louis-feds-financial-stress-index-version-3-0/).

2022-11-10 2026-08-26

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Financial Stress Index Weekly St. Louis Fed Copyrighted: Citation Required Nation United States of America Not Seasonally Adjusted