Showing 1 - 10 of 492
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/10013073202
impose tight upper and lower bounds on the implied volatility …
Persistent link: https://www.econbiz.de/10012763033
examines the implications of stochastic volatility and jumps for option valuation. This example highlights the impact on option … amp;apos;smirksamp;apos; of the joint distribution of jumps in volatility and jumps in the underlying asset price, through …
Persistent link: https://www.econbiz.de/10012774824
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/10012778140
We use a novel pricing model to filter times series of diffusive volatility and jump intensity from Samp;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/10012785090
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/10012763182
This paper studies the pricing of volatility risk using the first-order conditions of a long-term equity investor who … volatility. Empirically, we present novel evidence that low-frequency movements in equity volatility, tied to the default spread …
Persistent link: https://www.econbiz.de/10013100357
We propose a novel method to estimate dynamic equilibrium models with stochastic volatility. First, we characterize the … exploits the profusion of shocks in stochastic volatility models, is versatile and computationally tractable even in large … methods to estimate a business cycle model of the U.S. economy with both stochastic volatility and parameter drifting in …
Persistent link: https://www.econbiz.de/10013100665
the spot volatility extracted from the options and the one obtained nonparametrically from high-frequency data on the … underlying asset. We further construct new formal tests of the model fit for specific regions of the volatility surface and for … index options we extend the popular double-jump stochastic volatility model to allow for time-varying jump risk premia and a …
Persistent link: https://www.econbiz.de/10013107009
-diffusions, and models of stochastic volatility. This paper explores the statistical properties of these models with a view to …
Persistent link: https://www.econbiz.de/10012774952