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Natural gas storage valuation is a challenging topic. It requires both appropriate price models and optimization models.
We assume that each forward price follows a geometric Brownian motion process. Spot price also follows a geometric Brownian motion process, but its expectation changes from month to month. Since optimization models are independent of price simulations, alternative price models can be implemented in the valuation.
Various models are used for storage valuation, including "intrinsic rolling with spot and forward", Monte Carlo simulation with ordinary least square
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Produktbeschreibung
Natural gas storage valuation is a challenging
topic. It requires both appropriate price models and
optimization models.

We assume that each forward price follows a
geometric Brownian motion process. Spot price also
follows a geometric Brownian motion process, but its
expectation changes from month to month. Since
optimization models are independent of price
simulations, alternative price models can be
implemented in the valuation.

Various models are used for storage valuation,
including "intrinsic rolling with spot and forward",
Monte Carlo simulation with ordinary least square
regression, and Monte Carlo simulation with
stochastic dual dynamic programming. The first
methodology takes both forward and spot prices into
account, while the other two methodologies only use
spot price.

The results show that many factors can impact the
value of a storage, including the term structure of
the forward prices, volatilities of forward and spot
prices, and the operational flexibility of the
storage.
Autorenporträt
Currently, Mr. Yun Li is a Senior Quantitative Analyst at DTE
Energy Trading. Mr. Li's work focuses on derivative pricing and
asset valuation. Mr. Li earned a B.S. degree in Technical
Physics from Beijing University and a M.S. degree in
Quantitative and Computational Finance from Georgia Institute of
Technology.