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(immediately) and can therefore quickly adapt to VaR. In less volatile market phases, this leads to a reduction in VaR and thus to … quickly forgotten and the VaR can be underestimated when using exponential weighting and the VaR may be underestimated. To …
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We propose a novel method of Mean-Capital Requirement portfolio optimization. The optimization is performed using a parallel framework for optimization based on the Nondominated Sorting Genetic Algorithm II. Capital requirements for market risk include an additional stress component introduced...
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Value-at-Risk (VaR) analysis. We propose a semi-parametric method for VaRevaluation. The largest risks are modelled … oflow probability worst outcomes, RiskMetrics analysis underpredicts the VaR while historical simulationoverpredicts the VaR …. However, the estimates obtained from applying the semi-parametric method aremore accurate in the VaR prediction. In addition …
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During the Global Financial Crisis, regulators imposed short-selling bans to protect financial institutions. The rationale behind the bans was that "bear raids", driven by short-sellers, would increase the individual and systemic risk of financial institutions, especially for institutions with...
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In this study, we compare the out-of-sample forecasting performance of several modern Value-at- Risk (VaR) estimators … that the traditional historical simulation approach, which is currently the most frequently used VaR estimator in …
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