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The quintic Ornstein-Uhlenbeck volatility model is a stochastic volatility model where the volatility process is a … a simple integration against a Gaussian density; simulation of the volatility process is exact; and pricing SPX products …
Persistent link: https://www.econbiz.de/10014255182
In this paper, we propose a new Heston based stochastic volatility model for stock price and option pricing, which not … only captures the volatility smile, but also naturally captures the stochastic volatility of volatility. It's more …
Persistent link: https://www.econbiz.de/10013135384
This paper shows how to recover stochastic volatility models (SVMs) from market models for the VIX futures term … obtained by inverting the market model. This paper's main result is a method for the recovery of a stochastic volatility …
Persistent link: https://www.econbiz.de/10012912365
financial market that features volatility uncertainty. To have a mathematical consistent framework we use the notion of G … this more complex situation and consider stock price dynamics which exclude arbitrage opportunities. Due to volatility … claims and deduce explicit results in a Markovian setting. -- Pricing of contingent claims ; incomplete markets ; volatility …
Persistent link: https://www.econbiz.de/10008746123
prices caused by stochastic volatility. -- option pricing ; autoregression ; heteroskedasticity ; GARCH ; leverage effect …
Persistent link: https://www.econbiz.de/10009580460
In a tractable stochastic volatility model, we identify the price of the smile as the price of the unspanned risks … traded in SPX option markets. The price of the smile reflects two persistent volatility and skewness risks, which imply a …-form and structural models of stochastic volatility …
Persistent link: https://www.econbiz.de/10011412294
We introduce a discrete-time model for log-return dynamics with observable volatility and jumps. Our proposal extends … the class of Realized Volatility heterogeneous auto-regressive gamma (HARG) processes adding a jump component with time … compensating for equity, volatility, and jump risks, the generating function under the risk-neutral measure inherits analytical …
Persistent link: https://www.econbiz.de/10012904165
In recent years there has been a remarkable growth of volatility options. In particular, VIX options are among the most … actively trading contracts at CBOE. These options exhibit upward sloping volatility skew and the shape of the skew is largely … independent of the volatility level. To take into account these stylized facts, this article introduces a novel two …
Persistent link: https://www.econbiz.de/10013033193
stochastically correlated default intensities, or multivariate dynamic portfolio choice with volatility and correlation jumps. We … implied volatility skew term structures that are largely unrelated to the level and composition of the spot volatility. This … options. Second, we find that volatility and correlation jumps can imply an economically relevant intertemporal hedging demand …
Persistent link: https://www.econbiz.de/10013146654
We develop a novel method to decompose a straddle into a volatility risk portfolio and a jump risk portfolio. The …. We use the straddle decomposition to analyze the volatility risk premium and the jump risk premium embedded in a straddle … volatility risk portfolio persistently generates positive returns during earnings announcement periods …
Persistent link: https://www.econbiz.de/10013314070