Results 11 to 20 of about 1,246,337 (384)

Stochastic volatility [PDF]

open access: yesSSRN Electronic Journal, 2008
Given the importance of return volatility on a number of practical financial management decisions, the efforts to provide good real- time estimates and forecasts of current and future volatility have been extensive.
Luca Benzoni, Torben G. Andersen
core   +9 more sources

NONPARAMETRIC STOCHASTIC VOLATILITY [PDF]

open access: yesSSRN Electronic Journal, 2018
We provide nonparametric methods for stochastic volatility modeling. Our methods allow for the joint evaluation of return and volatility dynamics with nonlinear drift and diffusion functions, nonlinear leverage effects, and jumps in returns and ...
F. Bandi, R. Renò
semanticscholar   +6 more sources

The Jacobi stochastic volatility model [PDF]

open access: yesFinance and Stochastics, 2016
We introduce a novel stochastic volatility model where the squared volatility of the asset return follows a Jacobi process. It contains the Heston model as a limit case.
Damien Ackerer   +2 more
semanticscholar   +8 more sources

Smiling under stochastic volatility [PDF]

open access: yesSpanish Economic Review, 2004
This paper studies the behavior of the implied volatility function (smile) when the true distribution of the underlying asset is consistent with the stochastic volatility model proposed by Heston (1993). The main result of the paper is to extend previous
León, Angel, Rubio Irigoyen, Gonzalo
core   +4 more sources

The memory of stochastic volatility models [PDF]

open access: greenJournal of Econometrics, 2001
A valid asymptotic expansion for the covariance of functions of multivariate normal vectors is applied to approximate autocovariances of time series generated by nonlinear transformation of Gaussian latent variates, and nonlinear functions of these, with special reference to long memory stochastic volatility models, serving to identify the roles played
Peter M. Robinson
openalex   +5 more sources

On Leverage in a Stochastic Volatility Model [PDF]

open access: greenJournal of Econometrics, 2004
This paper is concerned with specification for modelling financial leverage effect in the context of stochastic volatility (SV) models. Two alternative specifications co-exist in the literature. One is the Euler approximation to the well known continuous time SV model with leverage effect and the other is the discrete time SV model of Jacquier, Polson ...
Jun Yu
openalex   +7 more sources

The Correction of Multiscale Stochastic Volatility to American Put Option: An Asymptotic Approximation and Finite Difference Approach

open access: yesJournal of Function Spaces, 2021
It has been found that the surface of implied volatility has appeared in financial market embrace volatility “Smile” and volatility “Smirk” through the long-term observation.
Yanli Zhou   +3 more
doaj   +1 more source

Forecasting the Volatility of the Cryptocurrency Market by GARCH and Stochastic Volatility

open access: yesMathematics, 2021
This study examines the volatility of nine leading cryptocurrencies by market capitalization—Bitcoin, XRP, Ethereum, Bitcoin Cash, Stellar, Litecoin, TRON, Cardano, and IOTA-by using a Bayesian Stochastic Volatility (SV) model and several GARCH models ...
Jong-Min Kim, Chulhee Jun, Junyoup Lee
semanticscholar   +1 more source

Capturing the volatility smile: parametric volatility models versus stochastic volatility models [PDF]

open access: yesPublic and Municipal Finance, 2016
Black-Scholes option pricing model (1973) assumes that all option prices on the same underlying asset with the same expiration date, but different exercise prices should have the same implied volatility.
Belen Blanco
doaj   +1 more source

Estimation of Realized Asymmetric Stochastic Volatility Models Using Kalman Filter

open access: yesEconometrics, 2023
Despite the growing interest in realized stochastic volatility models, their estimation techniques, such as simulated maximum likelihood (SML), are computationally intensive.
Manabu Asai
doaj   +1 more source

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