问题如下图：
选项：
A. 
B. 
C. 
解释：
这里连做了几题全部都错，不理解price return of the index为什么又要算总市值了？是因为是capitalization weighted？这些题目怎么理解。
NO.PZ2015122802000046 问题如下 analyst gathers the following information for a market-capitalization-weighteinx compriseof securities MNO, QRS, anXYZ:The prireturn of the inx is: A.–9.33%. B.–10.23%. C.–13.90%. is correct.The prireturn of the inx is (48,250,000 – 53,750,000)/53,750,000 = –10.23%.考点市值加权指数计算prireturn这道题原解析已经很清晰了，只要注意我们这里计算的是prireturn，所以不需要考虑期间收益。 perioprice，怎么区分是一股的单价，还是这只股票的总市值了。主要被这2000多的单价误导了，以为展示的这只股票的总市值
NO.PZ2015122802000046问题如下analyst gathers the following information for a market-capitalization-weighteinx compriseof securities MNO, QRS, anXYZ:The prireturn of the inx is:A.–9.33%.B.–10.23%.C.–13.90%. is correct.The prireturn of the inx is (48,250,000 – 53,750,000)/53,750,000 = –10.23%.考点市值加权指数计算prireturn这道题原解析已经很清晰了，只要注意我们这里计算的是prireturn，所以不需要考虑期间收益。 为什么不能先算单个inx的市值变动再相加？单个inx的变动譬如第一个，是不是（2700*5000-2500*5000）/2500*5000，可是这样不又等于（2700-2500）/2500了吗？这不是又回到priweigh的方法了？
NO.PZ2015122802000046问题如下analyst gathers the following information for a market-capitalization-weighteinx compriseof securities MNO, QRS, anXYZ:The prireturn of the inx is:A.–9.33%.B.–10.23%.C.–13.90%. is correct.The prireturn of the inx is (48,250,000 – 53,750,000)/53,750,000 = –10.23%.考点市值加权指数计算prireturn这道题原解析已经很清晰了，只要注意我们这里计算的是prireturn，所以不需要考虑期间收益。 根据公示，按照市值计算，不是应该v1/v0 x base yevalue吗
NO.PZ2015122802000046 问题如下 analyst gathers the following information for a market-capitalization-weighteinx compriseof securities MNO, QRS, anXYZ:The prireturn of the inx is: A.–9.33%. B.–10.23%. C.–13.90%. is correct.The prireturn of the inx is (48,250,000 – 53,750,000)/53,750,000 = –10.23%.考点市值加权指数计算prireturn这道题原解析已经很清晰了，只要注意我们这里计算的是prireturn，所以不需要考虑期间收益。 再用期末市值权重加权？
NO.PZ2015122802000046 问题如下 analyst gathers the following information for a market-capitalization-weighteinx compriseof securities MNO, QRS, anXYZ:The prireturn of the inx is: A.–9.33%. B.–10.23%. C.–13.90%. is correct.The prireturn of the inx is (48,250,000 – 53,750,000)/53,750,000 = –10.23%.考点市值加权指数计算prireturn这道题原解析已经很清晰了，只要注意我们这里计算的是prireturn，所以不需要考虑期间收益。 RT，0太多算起来也晕头转向。。。。
