In this Bachelor's Thesis, we take a look at three of the most common risk measures and apply them to an exemplary portfolio of stocks in different countries. In order to measure the risk of our portfolio, we demonstrate two models: The Variance-Covariance-Method and Historical Simulation. At last, we introduce the risk measures volatility, Value-at- Risk and Expected Shortfall and the characterization of a coherent risk measure. We find out, that neither volatility nor Value-at-Risk are coherent in general, but Expected Shortfall is and we conclude, that for our purpose of managing the risk of a portfolio, the usage of several measures and methods is an advantage, but Expected Shortfall makes the most reasonable and comparable forecasts.
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In this Bachelor's Thesis, we take a look at three of the most common risk measures and apply them to an exemplary portfolio of stocks in different countries. In order to measure the risk of our portfolio, we demonstrate two models: The Variance-Covariance-Method and Historical Simulation. At last, we introduce the risk measures volatility, Value-at- Risk and Expected Shortfall and the characterization of a coherent risk measure. We find out, that neither volatility nor Value-at-Risk are coheren...
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