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of stochastic volatility and jumps for option valuation. This example highlights the impact on option 'smirks' of the … joint distribution of jumps in volatility and jumps in the underlying asset price, through both amplitude as well as jump …
Persistent link: https://www.econbiz.de/10012471694
The notion of model-free implied volatility (MFIV), constituting the basis for the highly publicized VIX volatility … more compatible with the related concept of corridor implied volatility (CIV). We provide a comprehensive derivation of the … CIV measure and relate it to MFIV under general assumptions. In addition, we price the various volatility contracts, and …
Persistent link: https://www.econbiz.de/10012465200
We conduct a comprehensive analysis of unspanned stochastic volatility in commodity markets in general and the crude …-oil market in particular. We present model-free results that strongly suggest the presence of unspanned stochastic volatility in … stochastic volatility. The model features correlations between innovations to futures prices and volatility, quasi …
Persistent link: https://www.econbiz.de/10012465916
We use a novel pricing model to filter times series of diffusive volatility and jump intensity from S&P 500 index … about twice the premium required to compensate the same investor for the realized volatility, 5.8 percent. Moreover, the ex …
Persistent link: https://www.econbiz.de/10012467775
-dependent options and options on assets with stochastic volatility and jumps. " …
Persistent link: https://www.econbiz.de/10012472561
competing explanations: stochastic volatility models with negative correlations between market levels and volatilities, and … squares/Kalman filtration methodology. While volatility and level shocks are substantially negatively correlated, the … stochastic volatility model can explain the implicit negative skewness only under extreme parameters (e.g., high volatility of …
Persistent link: https://www.econbiz.de/10012472934
Black-Scholes constant volatility assumption is violated in practice. These authors hypothesize that the volatility of the … underlying asset's return is a deterministic function of the asset price and time and develop the deterministic volatility … significance of the implied deterministic volatility function by examining the predictive and hedging performance of the DV option …
Persistent link: https://www.econbiz.de/10012473359
An efficient method is developed for pricing American options on combination stochastic volatility …/jump-diffusion processes when jump risk and volatility risk are systematic and nondiversifiable, thereby nesting two major option pricing … models. The parameters implicit in PHLX-traded Deutschemark options of the stochastic volatility/jump- diffusion model and …
Persistent link: https://www.econbiz.de/10012474344
In pricing primary-market options and in making secondary markets, financial intermediaries depend on the quality of forecasts of the variance of the underlying assets. Hence, the gain from improved pricing of options would be a measure of the value of a forecast of underlying asset returns....
Persistent link: https://www.econbiz.de/10012474423
the mean and volatility of equity returns. Our model assumes a small risk of a rare disaster that is calibrated based on … turns out to be crucial to the model's ability to explain both equity volatility and option prices. We explore different …
Persistent link: https://www.econbiz.de/10012459050