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Risk neutral densities (RND) can be used to forecast the price of the underlying basis for the option, or it may be used to price other derivates based on the same sequence. The method adopted in this paper to calculate the RND is to firts estimate daily the diffusion process of the underlying...
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The goal of this article is an exact Bayesian analysis of the Heston (1993) stochastic volatility model. We carefully … study the effect different parameterizations of the latent volatility process and the parameters of the volatility process …
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density cannot be identified. In general, this lack of identification precludes consistent estimation of identified parameters …
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This paper introduces the Inverse Gamma (IGa) stochastic volatility model with time-dependent parameters, defined by … the volatility dynamics dVt = κt.(θt − Vt).dt λt.Vt.dBt. This non-affine model is much more realistic than classical … affine models like the Heston stochastic volatility model, even though both are as parsimonious (only four stochastic …
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