Source: National Bureau of Economic Research  

Release: NBER Macrohistory Database  

Units:  Percent, Not Seasonally Adjusted

Frequency:  Monthly

Series Is Presented Here As Two Variables--(1)--Original Data, 1871-1938 (2)--Original Data, 1926-1969. The Index For 1926-February 1957 Is Based On Daily Quotations For Ninety Stocks; The Index For March 1957-1969 Is Based On Daily Quotations For Five Hundred Stocks. Source: Standard And Poor'S, Data For 1926-1963: Trade And Security Statistics: Security Price Index Record, 1964 Edition. Data For 1964-1969: Current Statistics, Monthly Issues.

This NBER data series m13046b appears on the NBER website in Chapter 13 at http://www.nber.org/databases/macrohistory/contents/chapter13.html.

NBER Indicator: m13046b