为什么lower yield 是tax efficient

Question 6 short term rate increase bond price should decrease , 不是應該多買短期bond ? Because it is cheap ?

Question 5 what is home bias?

short otm call+long otm put也是risk reversal吗，不是long call+short put才算吗

Q7 從題那可看出bond have lowest risk level?

老师，请教一下，为啥A不对，B对

老师您好。这题是不是有点问题，双重否定不就是肯定了吗，应该是avoide including manager based on historical return吧

Q2, 所以如以風控角度，high risk asset 應要設 balance range less wider ?

为什么相关性尽可能低

Richard whether there is a particular appraisal measure that he prefers. Richard describes a ratio that computes the expected return on an investment less a target return divided by a standard deviation measurement that is based on performance below the target return.老师您好，为啥这个是描述sortino ratio的，分母不是standard deviation吗