Release: Spot Prices
Definitions, Sources and Explanatory Notes:
U.S. Energy Information Administration, Crude Oil Prices: West Texas Intermediate (WTI) - Cushing, Oklahoma [MCOILWTICO], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/MCOILWTICO, April 9, 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, April 9, 2020.