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Given a European derivative security with an arbitrary payoff function and a corresponding set of" underlying … securities on which the derivative security is based, we solve the dynamic replication problem: find a" self-financing dynamic …-dependent options and options on assets with stochastic volatility and jumps. " …
Persistent link: https://www.econbiz.de/10012472561
This paper develops a dynamic programming model of the optimal refunding strategy and the corresponding value of a callable bond. The model differs from previous work on this subject primarily in that it explicitly admits the possibility of differences between the issuer's expectations of future...
Persistent link: https://www.econbiz.de/10012478918
Investors in option markets price in a substantial collective government bailout guarantee in the financial sector, which puts a floor on the equity value of the financial sector as a whole, but not on the value of the individual firms. The guarantee makes put options on the financial sector...
Persistent link: https://www.econbiz.de/10012461509
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/10012460613
impose tight upper and lower bounds on the implied volatility …
Persistent link: https://www.econbiz.de/10012469848
Realistic models for financial asset prices used in portfolio choice, option pricing or risk management include both a continuous Brownian and a jump components. This paper studies our ability to distinguish one from the other. I find that, surprisingly, it is possible to perfectly disentangle...
Persistent link: https://www.econbiz.de/10012468781
-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/10012472845
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
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
We develop a tractable and flexible stochastic volatility multi-factor model of the term structure of interest rates …
Persistent link: https://www.econbiz.de/10012466328