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        意義 夏普比率為一項衡量報酬風險比例的工具,由諾貝爾經濟學獎得主夏普(William Sharpe)所提出。其基本概念在於獲利機會與損失風險之間的抵換關係,其應用於投資組合的績效評估與目標設定的評比。
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        Standard Deviation Standard deviation is the statistical measurement of dispersion about an average, which depicts how widely a stock or portfolio’s returns varied over a certain period of time. Investors use the standard deviation of historical performan
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    2010年9月1日 ... Sharpe Ratio是由諾貝爾獎得主Bill Sharpe所提出來的,其公式 ... 因此最理想的 情況,是同時使用效率前緣以及Sharpe Ratio去計算資產配製的 ......