陈同学2024-11-06 20:01:06
原版书课后题 6. As a result of Fund 3’s two trades, the portfolio’s active risk most likely:7. What was the effect of Fund 3’s two trades on its active share? Fund 3’s active share: 题目和答案都不是很懂请帮忙仔细解答下
回答(1)
Simon2024-11-07 11:05:54
同学,上午好。
第6问:
原本是Fund 3 held active positions in two automobile stocks—one was overweight by 1 percentage point (pp),两只股票都是同行业,同行业股票相似度高,所以即使有1% active share,但偏离benchmark不会很大,所以active risk很小
之后,Fund 3 selected two different stocks that were held at benchmark weights, one energy stock and one financial stock. Fund 3 overweighted the energy stock by 1pp and underweighted the financial stock by 1pp.active share 1%是不同行业的两只股票,此时偏离benchmark就会很大,active risk 很高。
第7问:
这道题原本是有1%的active share:对应原文Fund 3 held active positions in two automobile stocks—one was overweight by 1 percentage point (pp)
然后,fund 3 进行了2笔交易,
1笔是调回benchmark权重,此时没有active share(Fund 3 traded back to benchmark weights on those two stocks),
然后第2笔是 Fund 3 selected two different stocks that were held at benchmark weights, one energy stock and one financial stock. Fund 3 overweighted the energy stock by 1pp and underweighted the financial stock by 1pp. 此时active share又变成了1%,所以说active share没变。
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