讲义39页第二题，就这个最小方差的位置，叫全球最小方差组合，结合讲义37页。 为什么起这样的一个名字呢？？尤其这个“全球”怎么讲？？？ 我只搞中国的股票组成的组合，难不成叫“中国最小方差组合”？

视频看不了 一直在转圈圈

为什么不是（1 6.5%/12）^12再-1，而是直接除以12月化？不用考虑复利问题吗

Based on the decennial pattern of cycles, how would the return of the Dow Jones Industrial Average (DJIA) in the year 2015 compare with the return in 2020? A The return would be better. B The return would be worse. C The answer cannot be determined because the theory does not apply to both of those years. 这个题不会做，麻烦讲解下

he chart to the right depicts the relative strength lines for a stock index versus both a bond index and gold. In the month of June, it would be most appropriate for an analyst using intermarket analysis to move investments from: A Stocks to bonds. B Bonds to gold. C Gold to stocks. C 为什么不对？

Drawbacks of technical analysis include which of the following? A It identifies changes in trends only after the fact. B Deviations from intrinsic value can persist for long periods. C It usually requires detailed knowledge of the financial instrument under analysis. 这个题看不懂

所以industry energy conference 这种行业内部会议都属于public info咯？这属于selective disclosure么？

关于利润表有几个小知识点想和老师确认下： 1、Discontinued operations是税后列置，所以交的税不体现在利润表中对吧？ 2、Gross profit更准确的计算是net revenue-cogs对吧？ 3、会计估计的改变用prospective的方法，以折旧为例，某个资产价值120万，原来估计折旧四年，每年折旧费用30万，过了两年后（资产价值折旧后还剩60万），认为一共应该折8年，所以在还剩下的6年里，每年折旧60万/6=10万，是这个意思对吧？

03.单选题 收藏 标记 纠错 Which of the following would a technical analyst most likely interpret as a "sell" signal? A %K line crosses below the %D line. B Signal line crosses below the MACD line. C Rate of change oscillator begins decreasing. 这个题里的cross below 该怎么理解，做题的时候这里卡住了

视频中讲解的例题，请问老师，通过计算器为什么能同时算出样本标准差和总体标准差？而且这两个数字还不一样？我输入的X值不是固定的吗？样本标准差和总体标准差分别代表什么呢？