[{"data":1,"prerenderedAt":42},["ShallowReactive",2],{"q-sec_sr_invest-115-2-044":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-115-2-044","115-2",44,"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？",[13,14,15,16],"增加固定收益證券之比重","提高投資組合之貝它係數","增加現金比重","降低風險性資產比重",1,"投資績效評估與資產配置","貝它係數衡量投資組合對大盤的敏感度，β 愈高，大盤下跌時組合就跌得愈重。既然判斷後市為空頭，就應該調降而不是（B）提高投資組合的貝它係數，因此（B）是不該採取的策略，為本題答案。（A）增加固定收益證券比重，可用債券的利息收入與相對抗跌的特性穩住組合價值。（C）增加現金比重能直接降低市場曝險，還保留了行情反轉後承接的彈性。（D）降低股票等風險性資產比重，同樣是減碼防禦的標準作法。三者都是空頭時的防禦動作，只有（B）反其道而行，等於在下跌行情中主動放大損失。","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-115-2-005","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？",5,1785904144209]