为啥是dispersion不是fees

老师，您好，有多少种overlay，除了外汇overlay其它都是啥意思，谢谢啦/题干Regulas Funds Invests in a combination of global equity securities from 5–10 different countries. Portfolio weights are adjusted to take advantage of companies that appear to have the best near-term growth prospects.问题：Using Exhibit 1 and the equity selection process of Regulas Funds, the strategy will most likely benefit from: a portfolio overlay. a new benchmark. using annual rebalancing.

请讲下本题三个答案

还是没太懂最后为啥要乘以100，182份，1分5.05 那成本不就是919么，这里跟股数已经没关系了呀

为啥要用110块的执行价格，题目也没说啊，我不能用100块的么，我还不能卖一个高的call么

老师，为什么说到风险占比是variance而不是segma，谢谢啦/题干如下the portion of total portfolio risk that is explained by the market factor in Fund 1’s existing portfolio is closest to:

这个问题说的是immunize 8年650000的，这个金额也不够6500000啊，所以不能看这个要看目前的，那目前又没说久期是多少，为啥能说a就好呢

cash equitization和pre invest场景有什么区别？

老师，CFA mock答案是错的吧，算IS用的是arrival price?谢谢

老师，concentration level是什么呀，在做题中遇到了/题目如下McMahon observes that the benchmark used for the US large-cap equity component is a price-weighted index containing 150 stocks. The benchmark’s Herfindahl–Hirschman Index (HHI) is 0.0286./选项 Based on its HHI, the initial US large-cap benchmark most likely has: a concentration level of 4.29. an effective number of stocks of approximately 35. individual stocks held in approximately equal weights.