Albanese, Claudio; Jaimungal, Sebastian; Rubisov, Dmitri - In: Quantitative Finance 3 (2003) 2, pp. 145-154
We introduce a pricing model for equity options in which sample paths follow a variance-gamma (VG) jump model whose parameters evolve according to a two-state Markov chain process. As in GARCH type models, jump sizes are positively correlated to volatility. The model is capable of justifying the...