开发者:上海品职教育科技有限公司 隐私政策详情

应用版本:4.2.11(IOS)|3.2.5(安卓)APP下载

滴滴姐姐~ · 2021年11月07日

这个问题好像也没有问的很清楚诶。。assign 0 给谁?给Benchmark的C还是Forecast的C?

NO.PZ2019042401000005

问题如下:

Stocks A, B, and C are in the benchmark portfolio. Assume a manager forecasts returns on stocks A, B, and D. Stock C is in the benchmark but not in the forecast. Stock D is in the forecast but not in the benchmark. Which of the following is least accurate?

选项:

A.

the manager should assign zero weight to stock C.

B.

the manager should assign zero weight to stock D.

C.

the weight assigned to stock C can be calculated from the alphas of the forecasted asset.

D.

the weights assigned to stock C and D are not equal.

解释:

D is correct.

考点:Proper Alpha Coverage

解析:首先要注意题目中要求选出错误选项。

对于有预测但不在基准中的股票(Stock D),应为其分配的权重为0。对于没有预测但在基准中的股票(Stock C),应为其分配权重为0。

对于没有预测但在基准中的股票(Stock C),也可以为其分配权重为foretasted asset alphas的函数。

因此选项D是错误的,因为Stock C应分配的权重为与Stock D应分配的权重均为0,所以选项D说他们应分配的权重are not equal,错误。

其他选项的说法都是正确的。

如题。。(我感觉。。是assign给benchmark对吧?)


这其实就是我另一个困惑的地方了。。。把C和D的benchmark都调成0。。

那不就是等于只对ABD求alpha了吗。。。

这和啥也不调的Rp-Rb数有差别吗?


那我主动投资比如有

portfolio:ab

benchmark:abcdefg

那相当于我这里调整完alpha只求调整后的ab的alpha了?

1 个答案

品职答疑小助手雍 · 2021年11月08日

同学你好,简单的例子举出来会有这种结果,你想的没错。

不过实际中benchmark和组合都会有很大程度的交错(因为本身针对组合找benchmark就是找风格相近的基准的),实际的意义才能体现出来。

  • 1

    回答
  • 0

    关注
  • 440

    浏览
相关问题

NO.PZ2019042401000005问题如下 Stocks anC are in the benchmark portfolio. Assume a manager forecasts returns on stocks an StoC is in the benchmark but not in the forecast. Stois in the forecast but not in the benchmark. Whiof the following is least accurate?A.the manager shoulassign zero weight to stoC.B.the manager shoulassign zero weight to stoC.the weight assigneto stoC ccalculatefrom the alphof the forecasteasset.the weights assigneto stoC anare not equal. is correct. 考点Proper Alpha Coverage解析首先要注意题目中要求选出错误。对于有预测但不在基准中的股票(Sto,应为其分配的权重为0。对于没有预测但在基准中的股票(StoC),应为其分配权重为0。对于没有预测但在基准中的股票(StoC),也可以为其分配权重为foretasteasset alphas的函数。因此错误的,因为StoC应分配的权重为与Sto分配的权重均为0,所以他们应分配的权重are not equal,错误。其他的说法都是正确的。 不在benchmark里,权重不是0么

2024-10-19 22:12 1 · 回答

NO.PZ2019042401000005问题如下Stocks anC are in the benchmark portfolio. Assume a manager forecasts returns on stocks an StoC is in the benchmark but not in the forecast. Stois in the forecast but not in the benchmark. Whiof the following is least accurate?A.the manager shoulassign zero weight to stoC.B.the manager shoulassign zero weight to stoC.the weight assigneto stoC ccalculatefrom the alphof the forecasteasset.the weights assigneto stoC anare not equal. is correct. 考点Proper Alpha Coverage解析首先要注意题目中要求选出错误。对于有预测但不在基准中的股票(Sto,应为其分配的权重为0。对于没有预测但在基准中的股票(StoC),应为其分配权重为0。对于没有预测但在基准中的股票(StoC),也可以为其分配权重为foretasteasset alphas的函数。因此错误的,因为StoC应分配的权重为与Sto分配的权重均为0,所以他们应分配的权重are not equal,错误。其他的说法都是正确的。 请问第三个为何正确?是什么意思?

2023-09-05 17:36 2 · 回答

NO.PZ2019042401000005 问题如下 Stocks anC are in the benchmark portfolio. Assume a manager forecasts returns on stocks an StoC is in the benchmark but not in the forecast. Stois in the forecast but not in the benchmark. Whiof the following is least accurate? A.the manager shoulassign zero weight to sto B.the manager shoulassign zero weight to sto C.the weight assigneto stoC ccalculatefrom the alphof the forecasteasset. the weights assigneto stoC anare not equal. is correct. 考点Proper Alpha Coverage解析首先要注意题目中要求选出错误。对于有预测但不在基准中的股票(Sto,应为其分配的权重为0。对于没有预测但在基准中的股票(StoC),应为其分配权重为0。对于没有预测但在基准中的股票(StoC),也可以为其分配权重为foretasteasset alphas的函数。因此错误的,因为StoC应分配的权重为与Sto分配的权重均为0,所以他们应分配的权重are not equal,错误。其他的说法都是正确的。 对于没有预测但在基准中的股票(StoC),也可以为其分配权重为foretasteasset alphas的函数。老师这个权重是什么权重啊?有点不理解

2023-07-10 13:33 1 · 回答

NO.PZ2019042401000005 问题如下 Stocks anC are in the benchmark portfolio. Assume a manager forecasts returns on stocks an StoC is in the benchmark but not in the forecast. Stois in the forecast but not in the benchmark. Whiof the following is least accurate? A.the manager shoulassign zero weight to sto B.the manager shoulassign zero weight to sto C.the weight assigneto stoC ccalculatefrom the alphof the forecasteasset. the weights assigneto stoC anare not equal. is correct. 考点Proper Alpha Coverage解析首先要注意题目中要求选出错误。对于有预测但不在基准中的股票(Sto,应为其分配的权重为0。对于没有预测但在基准中的股票(StoC),应为其分配权重为0。对于没有预测但在基准中的股票(StoC),也可以为其分配权重为foretasteasset alphas的函数。因此错误的,因为StoC应分配的权重为与Sto分配的权重均为0,所以他们应分配的权重are not equal,错误。其他的说法都是正确的。 在基准的股票C分配0的权重不是会让组合经理的 α 变低嘛,因为主动投资基金经理是把资金用在他认为更赚钱的股票面了,C股票权重调整0,会扭曲基金经理的业绩呀

2022-11-12 21:53 2 · 回答

NO.PZ2019042401000005 问题如下 Stocks anC are in the benchmark portfolio. Assume a manager forecasts returns on stocks an StoC is in the benchmark but not in the forecast. Stois in the forecast but not in the benchmark. Whiof the following is least accurate? A.the manager shoulassign zero weight to sto B.the manager shoulassign zero weight to sto C.the weight assigneto stoC ccalculatefrom the alphof the forecasteasset. the weights assigneto stoC anare not equal. is correct. 考点Proper Alpha Coverage解析首先要注意题目中要求选出错误。对于有预测但不在基准中的股票(Sto,应为其分配的权重为0。对于没有预测但在基准中的股票(StoC),应为其分配权重为0。对于没有预测但在基准中的股票(StoC),也可以为其分配权重为foretasteasset alphas的函数。因此错误的,因为StoC应分配的权重为与Sto分配的权重均为0,所以他们应分配的权重are not equal,错误。其他的说法都是正确的。 The weight assigneto stoC ccalculatefrom the alphof the forecasteasset.请问按C说的来计算出的权重也是零吗

2022-11-08 14:32 1 · 回答