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along with the specification of (a) the initial density, and (b) the volatility structure of the density. The volatility …
Persistent link: https://www.econbiz.de/10008797695
prices, which translates into skew and smile patterns for implied volatility curves even under constant volatilities … the market. collateral requirements, funding costs, volatility smile, option pricing …
Persistent link: https://www.econbiz.de/10009375107
Inspired by the theory of social imitation (Weidlich 1970) and its adaptation to financial markets by the Coherent Market Hypothesis (Vaga 1990), we present a behavioral model of stock prices that supports the overreaction hypothesis. Using our dynamic stock price model, we develop a two factor...
Persistent link: https://www.econbiz.de/10003636657
This paper proposes to build "implied stochastic volatility models" designed to fit option-implied volatility data, and … volatility surface to the specification of the stochastic volatility model. We propose and implement parametric and nonparametric … versions of implied stochastic volatility models …
Persistent link: https://www.econbiz.de/10012901805
Persistent link: https://www.econbiz.de/10002569872
Brownian motion. -- asymptotic uniformity ; local limit theorem ; volatility …
Persistent link: https://www.econbiz.de/10009728974
In this paper we propose a Libor model with a high-dimensional specially structured system of driving CIR volatility … calibration algorithm is FFT based, so fast and easy to implement. -- Libor modelling ; stochastic volatility ; CIR processes …
Persistent link: https://www.econbiz.de/10003635097
under a broad class of stochastic volatility models. Based on this formula, we propose a closed-form approximation of the … implied volatility smile. Numerical examples suggest that our approximation is accurate in the absence of mean-reversion in … stochastic volatility …
Persistent link: https://www.econbiz.de/10003961401
stochastic volatility of asset prices and to give theoretical arguments for empirically well documented facts. We show that … stochastic volatility. …
Persistent link: https://www.econbiz.de/10013428399
Persistent link: https://www.econbiz.de/10003985507