[{"data":1,"prerenderedAt":45},["ShallowReactive",2],{"q-sec_invest-115-1-025":3},{"exam":4,"examName":5,"chapterSlug":6,"question":7,"related":21},"sec_invest","證券商業務員資格測驗——證券投資與財務分析","c6",{"id":8,"exam":4,"session":9,"qno":10,"question":11,"options":12,"answer":17,"chapter":18,"freq":17,"explanation":19,"difficulty":20},"sec_invest-115-1-025","115-2",13,"已知某公司股票的β是 1.5，市場預期報酬率是 10%，銀行一年期定存利率是 2%，試問：該股票的風險貼水(risk premium)是多少？",[13,14,15,16],"6%","15.5%","12%","7.5%",2,"投資組合理論與資本資產訂價","個股風險貼水(risk premium)＝β×市場風險溢酬＝β×[E(Rm)−Rf]。本題市場預期報酬率為10%，銀行一年期定存利率2%即代表無風險利率，故市場風險溢酬＝10%−2%＝8%(這是「市場」而非個股的溢酬)，再乘上該股β＝1.5，得1.5×8%＝12%，故選(C)。常見錯誤如忘記先扣除無風險利率(逕以1.5×10%＝15%)、漏乘β(僅取市場溢酬8%)，或把風險貼水與必要報酬率(2%＋12%＝14%)混為一談；其餘選項(A)6%、(B)15.5%、(D)7.5%則非依本公式正確計算所得，應逐一排除。","medium",[22,26,29,33,37,41],{"id":23,"question":24,"qno":25},"sec_invest-114-3-012","藉由多角化的投資組合策略可以降低何種風險？",12,{"id":27,"question":28,"qno":10},"sec_invest-114-3-013","由甲和乙兩股票構成投資組合，甲股票占 40%，乙股票占 60%，甲股票報酬率的變異數為0.3，乙股票報酬率的變異數 0.5，甲和乙股票報酬率的共變數為 0.3，則此投資組合報酬率的變異數為：",{"id":30,"question":31,"qno":32},"sec_invest-114-3-024","資本市場線(Capital Market Line)是表示下列何種選項關係？",24,{"id":34,"question":35,"qno":36},"sec_invest-114-3-025","假設甲投資組合之預期報酬率為 12%，貝它係數為 1.2，市場風險溢酬為 5%，根據資本資產訂價模型（CAPM）計算之無風險利率應為何？",25,{"id":38,"question":39,"qno":40},"sec_invest-115-1-014","假設某甲手上有 2 張 X 股票及 3 張 Y 股票，X 股票的預期報酬率為 15%，Y 股票的預期報酬率為18%，其標準差分別為 18.5%與 21%，若兩股票之相關係數為+1，則其投資組合的標準差為何？",14,{"id":42,"question":43,"qno":44},"sec_invest-115-1-020","無風險資產的貝它(Beta)係數為：",20,1787293956273]