Journal of Energy Markets
ISSN:
1756-3607 (print)
1756-3615 (online)
Editor-in-chief: Derek W. Bunn
Approximation of the price dynamics of heating degree day and cooling degree day temperature futures
Fred Espen Benth and Sara Ana Solanilla Blanco
Need to know
- HDD and CDD temperature futures price dynamics
- Continuous-time autoregressive stochastic processes
- Approximative Black-76 option pricing formula
- Application to New York temperatures
Abstract
ABSTRACT
We propose an approximation that makes the price dynamics of heating degree day (HDD) and cooling degree day (CDD) temperature futures linearly dependent on the underlying temperature. The approximation is analyzed both theoretically and empirically. We base our analysis on a continuous-time autoregressive stochastic dynamics for the time evolution of temperature in a given location. The model is fitted to temperature data collected in New York over a long time period. We apply our results to derive a simple version of the Black-76 formula for pricing a call option on CDD and HDD futures.
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