Seasonality and the Valuation of Commodity Options
61 Pages Posted: 29 Nov 2009 Last revised: 2 Jan 2013
Date Written: September 21, 2012
Abstract
Price movements in many commodity markets exhibit significant seasonal patterns. In this paper, we study the effects of seasonal volatility on models' option pricing performance. In terms of options pricing, a deterministic seasonal component at the price level can be neglected. In contrast, this is not true for the seasonal pattern observed in the volatility of the commodity price. Analyzing an extensive sample of soybean and heating oil options, we find that seasonality in volatility is an important aspect to consider when valuing these contracts. The inclusion of an appropriate seasonality adjustment significantly reduces pricing errors and yields more improvement in valuation accuracy than increasing the number of stochastic factors.
Keywords: Commodities, Seasonality, Options Pricing
JEL Classification: G13
Suggested Citation: Suggested Citation
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