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Gas Storage Valuation: Price Modelling v. Optimization Methods

  • Bjerksund, Petter

    ()

    (Dept. of Finance and Management Science, Norwegian School of Economics and Business Administration)

  • Stensland, Gunnar

    ()

    (Dept. of Finance and Management Science, Norwegian School of Economics and Business Administration)

  • Vagstad, Frank

    ()

    (Viz Risk Management)

The existence of a financial gas market motivates the analysis of gas storage as a separate asset, using the market value context for utilization and valuation. In the recent literature, gas storage is typically analysed within a framework with a simple one-factor price dynamics that is solved to optimality. We follow a different approach, where the market is represented by a forward curve with daily granularity, the price uncertainty is represented by six factors, and where we impose a simple and intuitive storage strategy that follows from repeated maximization of the intrinsic value. Based on UK natural gas market price data, we obtain the gas storage value using our approach, and compare with results from one-factor models as well as with perfect foresight. We find that our approach captures much more of the true flexibility value than the one-factor models. Our results indicate that the appropriate framework for analyzing complex assets like gas storage is a rich representation of the price dynamics combined with a simple and intuitive decision rule.

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File URL: http://hdl.handle.net/11250/163950
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Paper provided by Department of Business and Management Science, Norwegian School of Economics in its series Discussion Papers with number 2008/20.

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Length: 31 pages
Date of creation: 17 Oct 2008
Date of revision:
Handle: RePEc:hhs:nhhfms:2008_020
Contact details of provider: Postal: NHH, Department of Business and Management Science, Helleveien 30, N-5045 Bergen, Norway
Phone: +47 55 95 92 93
Fax: +47 55 95 96 50
Web page: http://www.nhh.no/en/research-faculty/department-of-business-and-management-science.aspx
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  1. Cox, John C. & Ross, Stephen A., 1976. "The valuation of options for alternative stochastic processes," Journal of Financial Economics, Elsevier, vol. 3(1-2), pages 145-166.
  2. Robert A. Jarrow, 2009. "The Term Structure of Interest Rates," Annual Review of Financial Economics, Annual Reviews, vol. 1(1), pages 69-96, November.
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