Prior to 1982 equals the posted price.
On August 5, 2013, the Wall Street Journal discontinued publication of some of its commodity energy prices. As a current substitute, see the monthly oil spot prices reported by the U.S. Department of Energy, Energy Information Administration at http://research.stlouisfed.org/fred2/series/MCOILWTICO
Copyright, 2014, Dow Jones & Company
Source: Dow Jones & Company
Release: Wall Street Journal
Dow Jones & Company, Spot Oil Price: West Texas Intermediate (DISCONTINUED SERIES)© [OILPRICE], retrieved from FRED, Federal Reserve Bank of St. Louis https://research.stlouisfed.org/fred2/series/OILPRICE/, July 30, 2015.