Pricing the European call option in the model with stochastic volatility driven by Ornstein–Uhlenbeck process. Exact formulas
Volume 2, Issue 3 (2015): PRESTO-2015, pp. 233–249
Pub. online: 25 September 2015
Type: Research Article
Open Access
Received
29 July 2015
29 July 2015
Revised
13 September 2015
13 September 2015
Accepted
14 September 2015
14 September 2015
Published
25 September 2015
25 September 2015
Abstract
We consider the Black–Scholes model of financial market modified to capture the stochastic nature of volatility observed at real financial markets. For volatility driven by the Ornstein–Uhlenbeck process, we establish the existence of equivalent martingale measure in the market model. The option is priced with respect to the minimal martingale measure for the case of uncorrelated processes of volatility and asset price, and an analytic expression for the price of European call option is derived. We use the inverse Fourier transform of a characteristic function and the Gaussian property of the Ornstein–Uhlenbeck process.
References
Delbaen, F., Schachermayer, W.: The Mathematics of Arbitrage. Springer, New York (2006). MR2200584
Föllmer, H., Schweizer, M.: Hedging of contingent claims under incomplete information. Appl. Stoch. Anal. 5, 389–414 (1991). MR1108430
Fouque, J.-P., Papanicolaou, G., Sircar, K.R.: Derivatives in Financial Markets with Stochastic Volatility. Cambridge University Press, USA (2000). MR1768877
Frey, R.: Derivative asset analysis in models with level-dependent and stochastic volatility. CWI Quart. 10, 39–52 (1997). MR1472800
Kallianpur, G., Karandikar, R.L.: Introduction to Option Pricing Theory. Springer, New York (2000). MR1718056. doi:10.1007/978-1-4612-0511-1
Mishura, Y., Rizhniak, G., Zubchenko, V.: European call option issued on a bond governed by a geometric or a fractional geometric Ornstein–Uhlenbeck process. Mod. Stoch., Theory Appl. 1, 95–108 (2014). MR3314796. doi:10.15559/vmsta-2014.1.1.2
Shiryaev, A.N.: Essentials of Stochastic Finance: Facts, Models, Theory. World Scientific Publishing Co. Pte. Ltd., Singapore (1999). MR1695318. doi:10.1142/9789812385192
Wong, B., Heyde, C.C.: On changes of measure in stochastic volatility models. J. Appl. Math. Stoch. Anal. 2006, 13 (2006). MR2270326. doi:10.1155/JAMSA/2006/18130