Please use this identifier to cite or link to this item: http://hdl.handle.net/10419/142280
Year of Publication: 
2016
Series/Report no.: 
Nota di Lavoro No. 6.2016
Publisher: 
Fondazione Eni Enrico Mattei (FEEM), Milano
Abstract: 
In many futures markets, trading is concentrated in the front contract and positions are rolled-over until the strategy horizon is attained. In this paper, a pair-wise comparison between the conventional risk premium and the accrued risk premium in rolled-over positions in the front contract is carried out for UK natural gas futures. Several novel results are obtained. Firstly, and most importantly, the accrued risk premium in rollover strategies is significatively larger than conventional risk premiums and increases with the time to delivery. Specifically, for strategy horizons between three and six months, this difference increases from 1% to 10%. Secondly, it is the first time that risk premium in day-ahead futures has been measured in this market. The average value of the day-ahead risk premium is 0.5% per day and it is statistically significant. Thirdly, all risk premiums are significantly larger and more volatile in winter. Finally, risk premium time-variation is analyzed using a regression model. It is shown that reservoirs, weather, liquidity, volatility, skewness, and seasons are able in all cases to explain between 21% and 59% of the risk premium time-variation (depending on the futures maturity and sub-period).
Subjects: 
Natural Gas Market
Futures Premium
Rollover
Seasonal Risk Premiums
JEL: 
G13
L95
Document Type: 
Working Paper

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