2018 | OriginalPaper | Chapter
5. Lösungen der Übungsaufgaben
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Auszug
Jahr
|
geschätzte Rendite \(\hat{\mu}_{i}\) [%]
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Rendite μ i nach CAPM [%]
|
---|---|---|
S 1
|
\(\frac{125-100}{100}=25\)
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\(2+\left(20-2\right)\cdot 1=20\)
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S 2
|
\(\frac{17-15}{15}=13{,}3\)
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\(2+\left(20-2\right)\cdot 0{,}8=16{,}4\)
|
S 3
|
\(\frac{31-25}{31}=24\)
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\(2+\left(20-2\right)\cdot 1{,}2=23{,}6\)
|
Zerlegungen des Gesamtrisikos
|
|||||
Aktien
|
Zinsen
|
||||
2000
|
0
|
||||
\(P_{I}\pi\)
|
1200
|
\(P_{I}\pi\)
|
0
|
||
0
|
\(-7259{,}26\)
|
||||
Gruppenrisiken
|
|||||
\(\mathbf{V@R}_{I}^{\alpha}(P)=\)
|
\(237{,}15\)
|
\(\mathbf{V@R}_{I}^{\alpha}(P)=\)
|
\(197{,}89\)
|
Summe
|
\(435{,}04\)
|
Component Value at Risk
|
|||||
\(\mathbf{cV@R}_{I}^{\alpha}(P)=\)
|
\(201{,}42\)
|
\(\mathbf{cV@R}_{I}^{\alpha}(P)=\)
|
\(136{,}93\)
|
Summe
|
\(338{,}36\)
|
\({X\left(\omega\right)}\)
|
\({Y\left(\omega\right)}\)
|
\({\left(X+Y\right)^{-}\left(\omega\right)}\)
|
\({X^{-}\left(\omega\right)}\)
|
\({Y^{-}\left(\omega\right)}\)
|
---|---|---|---|---|
\({\leq 0}\)
|
\({\leq 0}\)
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\({-X\left(\omega\right)-Y\left(\omega\right)}\)
|
\({-X\left(\omega\right)}\)
|
\({-Y\left(\omega\right)}\)
|
\({\leq 0}\)
|
\({\geq 0}\)
|
\({0\leq\left(X+Y\right)^{-}\left(\omega\right)\leq-X\left(\omega\right)}\)
|
\({-X\left(\omega\right)}\)
|
0
|
\({\geq 0}\)
|
\({\leq 0}\)
|
\({0\leq\left(X+Y\right)^{-}\left(\omega\right)\leq-Y\left(\omega\right)}\)
|
0
|
\({-Y\left(\omega\right)}\)
|
\({\geq 0}\)
|
\({\geq 0}\)
|
0
|
0
|
0
|
α
|
\(\frac{\mathbf{ES}^{\alpha}\left(X\right)}{c_{0}}\)
|
\(\frac{\mathbf{V@R}^{\alpha}\left(X\right)}{c_{0}}\)
|
\(\frac{\mathbf{ES}^{\alpha}\left(X\right)}{\mathbf{V@R}^{\alpha}\left(X\right)}\)
|
---|---|---|---|
\(0{,}05\)
|
\(0{,}0991\)
|
\(0{,}0782\)
|
\(1{,}27\)
|
\(0{,}01\)
|
\(0{,}1293\)
|
\(0{,}1123\)
|
\(1{,}15\)
|
\(0{,}005\)
|
\(0{,}1406\)
|
\(0{,}1248\)
|
\(1{,}13\)
|
\(0{,}001\)
|
\(0{,}1644\)
|
0.1505
|
\(1{,}09\)
|
α
|
\(-\Phi^{-1}\left(\alpha\right)\)
|
\(\varphi\left(\Phi^{-1}\left(\alpha\right)\right)\)
|
\(\frac{\varphi\left(\Phi^{-1}\left(\alpha\right)\right)}{\alpha}\)
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\(-\frac{\varphi\left(\Phi^{-1}\left(\alpha\right)\right)}{\alpha\cdot\Phi^{-1}\left(\alpha\right)}\)
|
---|---|---|---|---|
\(0{,}05\)
|
\(1{,}6449\)
|
\(0{,}1031\)
|
\(2{,}063\)
|
\(1{,}25\)
|
\(0{,}01\)
|
\(2{,}3263\)
|
\(0{,}0267\)
|
\(2{,}666\)
|
\(1{,}15\)
|
\(0{,}005\)
|
\(2{,}5758\)
|
\(0{,}0145\)
|
\(2{,}892\)
|
\(1{,}12\)
|
\(0{,}001\)
|
\(3{,}0902\)
|
\(0{,}0034\)
|
\(3{,}367\)
|
\(1{,}09\)
|
α
|
\(\frac{\mathbf{ES}^{\alpha}\left(X\right)}{c_{0}}\)
|
\(\frac{\mathbf{V@R}^{\alpha}\left(X\right)}{c_{0}}\)
|
\(\frac{\mathbf{ES}^{\alpha}\left(X\right)}{\mathbf{V@R}^{\alpha}\left(X\right)}\)
|
---|---|---|---|
\(0{,}05\)
|
\(0{,}0943\)
|
\(0{,}0753\)
|
\(1{,}25\)
|
\(0{,}01\)
|
\(0{,}1210\)
|
\(0{,}1062\)
|
\(1{,}14\)
|
\(0{,}005\)
|
\(0{,}1310\)
|
\(0{,}1173\)
|
\(1{,}12\)
|
\(0{,}001\)
|
\(0{,}1513\)
|
\(0{,}1397\)
|
\(1{,}08\)
|