Market Conditions and the Functioning of Metal Futures Markets

Jia, H. (2006). Market Conditions and the Functioning of Metal Futures Markets. (Unpublished Doctoral thesis, City University London)

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Abstract

With the growth of alternative investment vehicles such as hedge funds and the resulting search for "new" asset classes, the interest in the commodity market has been growing within the financial sector. The commodity futures markets have been successfully providing a platform for investors and industrial participants as an alternative investment vehicle and a tool for risk management. The storable commodity futures markets are characterised by two distinct market conditions: backwardation and contango, which are directly linked to market fundamentals such as inventory levels and thus influence the price dynamics and functioning of the commodity futures market. While there exists a large body of research in the area of commodity derivatives, research on the linkage between market dynamics and the market conditions as determined by fundamentals is very limited. Accordingly, this thesis aims to investigate the different market dynamics of metal futures markets under these two conditions. The issues under examination include the futures price discovery function, the forecasting performance of the futures price, the long-run cost-of-carry equilibrium and short-run time-varying adjustment, and the price volatility and its relationship with inventory levels and trading volume. The empirical findings suggest, for the first time, that the price discovery function depends on the state of the storable commodity markets: futures prices are found to be upward biased predictors of the future spot prices when the market is in contango and are downward biased when the market is in backwardation. Nonparametric bootstrap simulations confirm that the forecast errors are negative in a backwardation market and are positive in a contango market, and moreover the forecast errors are larger under the former market condition than the latter. The empirical results also show that the price volatility is higher in a backwardation market than in a contango market as indicated by the negative relationship between price volatility and inventory levels. We also show that the spot volatility is generally higher than the futures price volatility and the difference is greater when the inventory level is low. Moreover, the impact of trading volume on the futures price volatility is found to be stronger when the market is in backwardation in some of the markets. In short, the empirical findings in this thesis suggest that the functioning of the metal spot and futures market is dependent on market conditions of which the inventory level is an important indictor as implied by the theory of storage. The empirical findings have strong implications for practitioners (particularly, trading houses, funds and banks) who could potentially form different trading strategies based on the distinct market behaviour under the two market conditions.

Item Type: Thesis (Doctoral)
Subjects: H Social Sciences > HG Finance
Divisions: Cass Business School > Faculty of Finance
URI: http://openaccess.city.ac.uk/id/eprint/8467

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