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Alex Sharper Portfolio

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ESTIME Y COMPARE LOS RENDIMIENTOS Y LA VARIABILIDAD (V.G. LA DESVIACIÓN ESTÁNDAR ANUALIZADA DE LOS RENDIMIENTOS MENSUALES DE LOS ÚLTIMOS 5 AÑOS) DE REYNOLDS Y DE HASBRO CON LOS DEL ÍNDICE S&P 500. ¿CUÁL DE LAS ACCIONES PARECE SER MÁS RIESGOSA?

ACTIVO O PORTAFOLIO | R | σ | S&P 500 | 0.57% | 3.57% | REYNOLDS | 1.87% | 9.29% | HASBRO | 1.18% | 8.05% |

La acción más riesgosa según los cálculos realizados es la de Reynolds, ya que sigma es más alta para esta acción.

SUPONGA QUE LA POSICIÓN DE SHARPE HA SIDO 99 POR CIENTO DE LOS FONDOS INVERTIDOS EN EL S&P 500 Y YA SEA UNO POR CIENTO INVERTIDO EN REYNOLDS O UNO POR CIENTO INVERTIDO EN HASBRO. DETERMINE LA POSICIÓN DE PORTAFOLIO RESULTANTE. ¿CÓMO AFECTA CADA ACCIÓN LA VARIABILIDAD DE LA INVERSIÓN? ¿CÓMO SE RELACIONA ESTE RESULTADO CON SU RESPUESTA A LA PREGUNTA 1?

PORTAFOLIO S&P 500 / REYNOLDS | S&P 500 | 0.99 | Reynolds | 0.01 | | | Rendimiento esperado portafolio | 0.00587338 | Covarianza S&P 500, Reynolds | 0.00093855 | σ2 Portafolio | 0.00126967 | σ Portafolio | 0.03563249 | Coeficiente de Variación portafolio | 6.06677340 |

PORTAFOLIO S&P 500 / HASBRO | S&P 500 | 0.99 | Reynolds | 0.01 | | | Rendimiento esperado portafolio | 0.00580428 | Covarianza S&P 500, Reynolds | 0.00181111 | σ2 Portafolio | 0.00128674 | σ Portafolio | 0.03587110 | Coeficiente de Variación portafolio | 6.18010845 |

Haga una regresión de los rendimientos mensuales de cada acción con respecto a los rendimientos del Índice S&P 500 para calcular una “beta” para cada acción. ¿Cómo se relaciona este resultado con su respueta a la pregunta 2?
¿De qué forma podría relacionarse el rendimiento esperado de cada acción con su nivel de riesgo?
¿Debería Sharpe invertir en alguna de las dos acciones? Si así fuera ¿en cuál?
Explique y justifique su respuesta.

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