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Too-Systemic-To-Fail : What Option Markets Imply About Sector-Wide Government Guarantees
Kelly, Bryan T. - 2011
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/10013123683
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Parametric Inference and Dynamic State Recovery from Option Panels
Andersen, Torben G. - 2012
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
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Stochastic Dominance Bounds on Derivative Prices in a Multiperiod Economy with Proportional Transaction Costs
Constantinides, George M. - 2010
impose tight upper and lower bounds on the implied volatility …
Persistent link: https://www.econbiz.de/10012763033
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Taming the Skew : Higher-Order Moments in Modeling Asset Price Processes in Finance
Das, Sanjiv Ranjan - 2008
-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
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Option Prices in a Model with Stochastic Disaster Risk
Seo, Sang Byung - 2013
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
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A General Stochastic Volatility Model for the Pricing and Forecasting of Interest Rate Derivatives
Trolle, Anders B. - 2010
We develop a tractable and flexible stochastic volatility multi-factor model of the term structure of interest rates …
Persistent link: https://www.econbiz.de/10012761268
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Mispricing of S&P 500 Index Options
Constantinides, George M. - 2010
Widespread violations of stochastic dominance by one-month Samp;P 500 index call options over 1986-2006 imply that a trader can improve expected utility by engaging in a zero-net-cost trade net of transaction costs and bid-ask spread. Although pre-crash option prices conform to the...
Persistent link: https://www.econbiz.de/10012758035
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Demand-Based Option Pricing
Garleanu, Nicolae - 2010
We model the demand-pressure effect on prices when options cannot be perfectly hedged. The model shows that demand pressure in one option contract increases its price by an amount proportional to the variance of the unhedgeable part of the option. Similarly, the demand pressure increases the...
Persistent link: https://www.econbiz.de/10012761687
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The Supply and Demand of S&P 500 Put Options
Constantinides, George M. - 2015
We document that the implied volatility skew of S&P 500 index puts is non-decreasing in the disaster index and risk …-the-money puts, thereby steepening the implied volatility skew and resolving the puzzle. Consistent with the data, the model also …
Persistent link: https://www.econbiz.de/10013022917
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Mispriced Index Option Portfolios
Constantinides, George M.; Czerwonko, Michal; Perrakis, … - 2021
The optimal portfolio of a utility-maximizing investor trading in the S&P 500 index and cash, subject to proportional transaction costs, becomes stochastically dominated when overlaid with a zero-net-cost portfolio of S&P 500 options bought at their ask and written at their bid price in most...
Persistent link: https://www.econbiz.de/10013233758