Release: Spot Prices
U.S. Energy Information Administration, Crude Oil Prices: West Texas Intermediate (WTI) - Cushing, Oklahoma [DCOILWTICO], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/DCOILWTICO, February 22, 2020.
Source: Dow Jones & Company
Release: Wall Street Journal
The September 2005 figure is the average of prices from
September 1 through September 22. Spot prices were not available for
Henry Hub Natural Gas starting on September 23, 2005, due to Hurricane
Copyright, 2016, Dow Jones & Company
In March 2014, the Wall Street Journal discontinued publication of some of its commodity energy prices.
Dow Jones & Company, Natural Gas Price: Henry Hub, LA (DISCONTINUED) [GASPRICE], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/GASPRICE, February 22, 2020.
More information about this series can be found at http://www.eia.gov/dnav/ng/TblDefs/ng_pri_fut_tbldef2.asp
U.S. Energy Information Administration, Henry Hub Natural Gas Spot Price [MHHNGSP], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/MHHNGSP, February 22, 2020.