劉同學(xué)
2018-04-22 18:25Mittal Tine’s investment portfolio currently consists of stocks in two companies, 40% in Drysdale Banking and the remaining amount in Clamped Oil. Performance measurement information for these two stocks is given in the table below: The covariance between the two stocks is 0.001. Tien is considering adding a third stock, Hillbillies Investors. Hillbillies Investor’s correlation coefficient with the current portfolio is 0.38. Which of the following statements is least accurate? A With Hillbillies added to the portfolio, the variance could be 0.026. B As Tien diversifies, he will reduce the portfolio's unsystematic risk. C The standard deviation of returns for the current portfolio is 15.5%. 這題答案錯(cuò)了吧，因該是w的平方乘以方差+w的平方乘以方差+2倍w1w2方差1方差2肉12
所屬：CFA Level I 視頻位置 相關(guān)試題
來源： 視頻位置 相關(guān)試題
1個(gè)回答
張瑋杰助教
2018-04-23 17:51
該回答已被題主采納
同學(xué)你好，那個(gè)公式應(yīng)該是格式問題，是有平方的，他那不是寫成了w12了么，2應(yīng)該是在平方的位置的
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