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dognmnm · 2023年02月17日

Index weight: The maximum position weight must be less than or equal to 10 times the security’s weight in the index.

NO.PZ2019012201000036

问题如下:

TMT has $250 million in assets under management. ABC.CO has a market capitalization of $3.0 billion, an index weight of 0.20%, and an average daily trading volume (ADV) of 1% of its market capitalization. TMT considers investing in ABC and has the following position size policy constraints:

Allocation: No investment in any security may represent more than 3% of total AUM.

Liquidity: No position size may represent more than 10% of the dollar value of the security’s ADV.

Index weight: The maximum position weight must be less than or equal to 10 times the security’s weight in the index.

Which of the following position size policy constraints is the most restrictive in setting TMT’s maximum position size in shares of ABC?

选项:

A.

Liquidity

B.

Allocation

C.

Index weight

解释:

A is correct.

考点:Implicit Cost-related Considerations

解析: 根据三种限制要求,最大持仓规模分别计算如下:

ABC公司每日交易价值=ABC的市值×每日的交易量=$3 billion × 1.0% = $30 million

流动性限制= ABC公司每日交易价值×流动性限制=$30 million × 10% = $3 million

配置限制=管理的资产规模×最大头寸限制=$250 million × 3.0% = $7.5 million

指数权重限制=管理的资产规模×(指数权重×10)=$250 million × (0.20% × 10) = $5.0 million

由于流动性限制计算出来的最大持仓规模金额最小,因此它是最严格限制政策。

指数权重限制=管理的资产规模×(指数权重×10)=$250 million × (0.20% × 10) = $5.0 million

这边为何是用aum(250m)去乘而不是用abc的市值3000m?

1 个答案

笛子_品职助教 · 2023年02月19日

嗨,从没放弃的小努力你好:


这个要理解题目意思。

TMT has $250 million in assets under management.意思是该基金目前只有250M的规模。

那么要问,每只股票最大多少。

在指数权重这里,题目计算出,股票在portfolio里的权重,最大就是股票在benchmark里权重的10倍。计算出股票在portfolio里权重最大是2%。


指数权重限制下,股票在portfolio里最大权重是2%,portfolio规模250M,问股票在portfolio里最大持仓金额是多少。因此是250M去乘。


这道习题和书本例题的题目意思不同。这个部分不存在知识点问题,关键是要把题目的意思理解了。

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