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-dependent options and options on assets with stochastic volatility and jumps. " …
Persistent link: https://www.econbiz.de/10012472561
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
The historical returns on equity index options are well known to be strikingly negative. That is typically explained either by investors having convex marginal utility over stock returns (e.g. crash/variance aversion) or by intermediaries demanding a premium for hedging risk. This paper examines...
Persistent link: https://www.econbiz.de/10014436964
When expected returns are linear in asset characteristics, the stochastic discount factor (SDF) that prices individual stocks can be represented as a factor model with GLS cross-sectional regression slope factors. Factors constructed heuristically by aggregating individual stocks into...
Persistent link: https://www.econbiz.de/10014287376
impose tight upper and lower bounds on the implied volatility …
Persistent link: https://www.econbiz.de/10012469848
Despite positive and significant earnings announcement premia, we find that institutional investors reduce their exposure to stocks before earnings announcements. A novel result on the sensitivity of flows to individual stock returns provides a potential explanation. We show that extreme...
Persistent link: https://www.econbiz.de/10014322748
We present two valuation models that we use to account for the annual data on price per share and dividends per share for the CRSP Value-Weighted Index from 1929-2023. We show that it is a simple matter to account for these data based purely on a model of variation in the expected ratio of...
Persistent link: https://www.econbiz.de/10014544759
Average idiosyncratic volatility and firm idiosyncratic volatility increase with the number of listed firms. Average … industry idiosyncratic volatility increases with the number of listed firms in the industry. We ex-plain the relation between … idiosyncratic volatility and the number of listed firms through Schumpeterian creative destruction. We show that Schumpeterian …
Persistent link: https://www.econbiz.de/10014576597
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