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We model the new quantitative aspects of market risk management for banks that Basel established in 2016 and came into effect in January 2019. Market risk is measured by Conditional Value at Risk (CVaR) or Expected Shortfall at a confidence level of 97.5%. The regulatory backtest remains largely...
Persistent link: https://www.econbiz.de/10013247097
Quantitative investment strategies are often selected from a broad class of candidate models estimated and tested on historical data. Standard statistical technique to prevent model overfitting such as out-sample back-testing turns out to be unreliable in the situation when selection is based on...
Persistent link: https://www.econbiz.de/10011722180
. According to Escanciano and Olmo (2010, 2011) these problems persist when incorporating estimation and model risk by adjusting … estimation risk or misspecification risk. …
Persistent link: https://www.econbiz.de/10010344866
We propose a new backtesting framework for Expected Shortfall that could be used by the regulator. Instead of looking at the estimated capital reserve and the realised cash-flow separately, one could bind them into the secured position, for which risk measurement is much easier. Using this...
Persistent link: https://www.econbiz.de/10012932902
In the literature, there is no consensus as to which Value-at-Risk forecasting model is the best for measuring market risk in banks. In the study an analysis of Value-at-Risk forecasting model quality over varying economic stability periods for main indices from stock exchanges was conducted....
Persistent link: https://www.econbiz.de/10011967246
Is univariate or multivariate modelling more effective when forecasting the market risk of stock portfolios? We examine this question in the context of forecasting the one-week-ahead Expected Shortfall of a portfolio invested in the Fama-French and momentum factors. Apply ingextensive tests and...
Persistent link: https://www.econbiz.de/10012898954
strategies. Unfortunately, due to the curse of dimensionality, their accurate estimation and forecast in large portfolios is …
Persistent link: https://www.econbiz.de/10013242339
In this paper we focus on the analysis of the effect of prediction and estimation risk on the …
Persistent link: https://www.econbiz.de/10012989315
small-sample estimation errors or popular rule-of-thumb values of asset return correlations, can lead to significant …
Persistent link: https://www.econbiz.de/10014224225
institutions. We apply our approach to a panel of 54 to 86 of the world's major commercial banks, using 13 years of monthly data …
Persistent link: https://www.econbiz.de/10013118586