期刊
CHAOS SOLITONS & FRACTALS
卷 142, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chaos.2020.110463
关键词
Financial derivatives; Pricing; Tsallis statistics; Jump process; Martingale method
资金
- National Natural Science Foundation of China [U1504701]
- Natural Science Foundation of Anhui Province of China [1808085MG224]
- Science and Technology Project of Jiangxi Education Department [GJJ170821]
- Natural Science Key Foundation of the Education Department of Anhui Province [KJ2019A0618]
- HumanitiesSociety Scientific Research Program of Anhui Education Department [WXSK201923]
The paper proposes a price model using the Tsallis distribution and a Poisson jump process to accurately describe the long-term memory and skewness of asset returns, and obtains an explicit solution for pricing European options using stochastic differential theory and the martingale method.
Asset return distributions usually have peaks, fat tails and skewed tails, because of the impact of extreme events outside financial markets. The Tsallis distribution has the peak and fat-tail characteristic, and the asymmetric jump process can fit the skewed tail of returns. Therefore, to accurately describe asset returns, we propose a price model by the use of the Tsallis distribution and a Poisson jump process, which can characterize the long-term memory and the skewness of asset returns. Moreover, using the stochastic differential theory and the martingale method, we obtain an explicit solution for pricing European options. (C) 2020 Published by Elsevier Ltd.
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