Today, the State Street Investor Confidence Index fell to 91.3 from last month's revised lower reading of 95.5.   

• Last month the original reading for October 2013 was 95.7
• The all-time high is 141.8 
• The all-time low is 80.5
• Chart of State Street Investor Confidence Index (ICI) versus S&P500 

The State Street Investor Confidence Index® measures confidence directly and quantitatively by assessing the changes in investor holdings of equities, implementing a model developed by State Street Global Markets’ research partnership, State Street Associates. The more of their portfolio that institutional investors are willing to devote to equities, the greater the risk appetite or confidence.

This chart shows the NASDAQ Composite Index plotted against the monthly reading for the State Street Investor Confidence Index.

Charts for the other markets

Nov 26 State Street Investor Confidence Index (ICI) versus S&P500
Nov 26 State Street Investor Confidence Index vs the Dow 1998 to Nov. 2013