Results 31 to 40 of about 9,183 (262)

Estimating Value-at-Risk and Expected Shortfall: Do Polynomial Expansions Outperform Parametric Densities?

open access: yesMathematics, 2022
We assess Value-at-Risk (VaR) and Expected Shortfall (ES) estimates assuming different models for the standardized returns: distributions based on polynomial expansions such as Cornish-Fisher and Gram-Charlier, and well-known parametric densities such as
Brenda Castillo-Brais   +2 more
doaj   +1 more source

A Fast, Accurate Method for Value-at-Risk and Expected Shortfall

open access: yesEconometrics, 2014
A fast method is developed for value-at-risk and expected shortfall prediction for univariate asset return time series exhibiting leptokurtosis, asymmetry and conditional heteroskedasticity.
Jochen Krause, Marc S. Paolella
doaj   +1 more source

Estimating Portfolio Value-at-Risk and Expected Shortfall by Possibility and Necessity Theory [PDF]

open access: yesتحقیقات مالی, 2017
One of the main concerns of investors and financial managers is the way of dealing with investment risk; thus identification, calculation and management of risk are important issues in financial fields.
Seyed Babak Ebrahimi   +2 more
doaj   +1 more source

Expected Shortfall LASSO

open access: yes, 2023
We propose an $\ell_1$-penalized estimator for high-dimensional models of Expected Shortfall (ES). The estimator is obtained as the solution to a least-squares problem for an auxiliary dependent variable, which is defined as a transformation of the dependent variable and a pre-estimated tail quantile.
openaire   +2 more sources

Optimisation of Time-Varying Asset Pricing Models with Penetration of Value at Risk and Expected Shortfall

open access: yesMathematics, 2021
This study aims to apply value at risk (VaR) and expected shortfall (ES) as time-varying systematic and idiosyncratic risk factors to address the downside risk anomaly of various asset pricing models currently existing in the Pakistan stock exchange. The
Adeel Nasir   +4 more
doaj   +1 more source

On estimating the conditional expected shortfall [PDF]

open access: yesApplied Stochastic Models in Business and Industry, 2008
AbstractUnlike the value at risk, the expected shortfall is a coherent measure of risk. In this paper, we discuss estimation of the expected shortfall of a random variable Yt with special reference to the case when auxiliary information is available in the form of a set of predictors Xt.
PERACCHI, FRANCO, Tanase, AV
openaire   +4 more sources

IMPLEMENTATION OF STOCHASTIC MODEL FOR RISK ASSESSMENT ON INDONESIAN STOCK EXCHANGE

open access: yesMedia Statistika, 2023
Currently, financial assets become an alternative choice for investors in Indonesia to get maximum profits. The Indonesia Stock Exchange is the official capital market in Indonesia which is a place for trading financial assets.
Di Asih I Maruddani   +2 more
doaj   +1 more source

A comparison of market risk measures from a twofold perspective: accurate and loss function [PDF]

open access: yesACRN Journal of Finance and Risk Perspectives, 2023
Under the new regulation based on Basel solvency framework, known as Basel III and Basel IV, financial institutions must calculate the market risk capital requirements based on the Expected Shortfall (ES) measure, replacing the Value at Risk (VaR ...
Sonia Benito Muela   +2 more
doaj   +1 more source

On Exactitude in Financial Regulation: Value-at-Risk, Expected Shortfall, and Expectiles

open access: yesRisks, 2018
This article reviews two leading measures of financial risk and an emerging alternative. Embraced by the Basel accords, value-at-risk and expected shortfall are the leading measures of financial risk.
James Ming Chen
doaj   +1 more source

Good-Deal Bounds for Option Prices under Value-at-Risk and Expected Shortfall Constraints

open access: yesRisks, 2020
In this paper, we deal with the pricing of European options in an incomplete market. We use the common risk measures Value-at-Risk and Expected Shortfall to define good-deals on a financial market with log-normally distributed rate of returns.
Sascha Desmettre   +2 more
doaj   +1 more source

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