[{"data":1,"prerenderedAt":42},["ShallowReactive",2],{"q-sec_sr_invest-115-2-005":3},{"exam":4,"examName":5,"chapterSlug":6,"question":7,"related":21},"sec_sr_invest","證券商高級業務員資格測驗——證券投資與財務分析(試卷「投資學」)","c12",{"id":8,"exam":4,"session":9,"qno":10,"question":11,"options":12,"answer":17,"chapter":18,"freq":17,"explanation":19,"difficulty":20},"sec_sr_invest-115-2-005","115-2",5,"有一投資組合過去 10 年的平均年報酬率為 12%，標準差為 50%，無風險利率為 4%，貝它係數為 1.2，請試算其夏普指數為多少？",[13,14,15,16],"0.8","0.16","1.6","1.25",1,"投資績效評估與資產配置","夏普指數衡量每承擔一單位「總風險」所換得的超額報酬，公式為（投資組合報酬率－無風險利率）÷ 投資組合標準差。代入題目數字：（12%－4%）÷ 50% ＝ 8% ÷ 50% ＝ 0.16，故選 (B)。關鍵在分母要用標準差 50%，不是貝它係數 1.2；若誤用貝它係數，算出的 8% ÷ 1.2 ≒ 0.067 是崔納指數，衡量的是系統風險而非總風險，兩者不可混用。(A) 0.8、(C) 1.6、(D) 1.25 都不對應本題任何正確算式，其中 1.6 是小數點位置錯置。夏普指數愈高，代表風險調整後的績效愈好。","easy",[22,26,30,34,38],{"id":23,"question":24,"qno":25},"sec_sr_invest-114-3-048","有關經理人選股能力的敘述，何者正確？",41,{"id":27,"question":28,"qno":29},"sec_sr_invest-114-3-049","在投資組合績效評估中，崔納（Treynor）指標的計算方式為：",49,{"id":31,"question":32,"qno":33},"sec_sr_invest-115-1-029","有一投資組合過去 10 年的平均年報酬率為 12%，標準差為 50%，無風險利率為 4%，貝他係數為1.2，請試算其夏普指數為多少？",29,{"id":35,"question":36,"qno":37},"sec_sr_invest-115-1-047","當投資者判斷市場處於空頭行情時，以下哪項策略不適合？",47,{"id":39,"question":40,"qno":41},"sec_sr_invest-115-2-044","當投資者判斷市場處於空頭行情時，不應採取下列何者策略？",44,1785904143866]