俞同学2022-04-18 14:37:31
请问下面这段解释是指哪个公式? The weight of the active Lincoln portfolio should be 7.56% / 5.0% = 1.51, and the weight on the benchmark portfolio would be 1 -1.51 =-0.51.
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Essie2022-04-18 16:41:24
你好,
是根据w(active managed portfolio)=sigma (active portfolio N) / sigma(active portfolio)=7.56%/5%=1.51,(active portfolio N)指新的结合了Lincoln和benchmark的portfolio,(active portfolio)指Lincoln。说明了要投资151%在Lincoln fund,同时short -51%的benchmark portfolio。
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