The Fundamentals of Commodity Futures Returns
Abstract
Commodity futures risk premiums vary across commodities and over time depending on the level of physical inventories, as predicted by the Theory of Storage. Using a comprehensive dataset on 31 commodity futures and physical inventories between 1969 and 2006, we show that the convenience yield is a decreasing, non-linear relationship of inventories. Price measures, such as the futures basis, prior futures returns, and spot returns reflect the state of inventories and are informative about commodity futures risk premiums. The excess returns to Spot and Futures Momentum and Backwardation strategies stem in part from the selection of commodities when inventories are low. Positions of futures markets participants are correlated with prices and inventory signals, but we reject the Keynesian "hedging pressure" hypothesis that these positions are an important determinant of risk premiums.Download Info
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Paper provided by National Bureau of Economic Research, Inc in its series NBER Working Papers with number 13249.Length:
Date of creation: Jul 2007
Date of revision:
Handle: RePEc:nbr:nberwo:13249
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Keywords:Other versions of this item:
- Gary Gorton & Fumio Hayashi & K. Rouwenhorst, 2007. "The Fundamentals of Commodity Futures Returns," Yale School of Management Working Papers amz2605, Yale School of Management, revised 01 Oct 2008.
- G1 - Financial Economics - - General Financial Markets
- G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
- G12 - Financial Economics - - General Financial Markets - - - Asset Pricing
This paper has been announced in the following NEP Reports:
- NEP-ALL-2007-07-20 (All new papers)
- NEP-BEC-2007-07-20 (Business Economics)
- NEP-FMK-2007-07-20 (Financial Markets)
- NEP-RMG-2007-07-20 (Risk Management)
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