针对48页ＰPT，当y 变动1 bp 时，P_+P+—2P0=0，导致CE为0，为什么和变动40bp 相比，差距那么大，明明久期变化不大

老师能总结一下什么字眼意思就是要折现呢？题目中出现很多年份，怎么知道从哪里算起呢？ 题目太杂了，实在是头晕

老师 638这道题答案为什么有一块是0.35/50呢？？为什么不直接用0.35

讲的太快，每个选项在解释下

请问这道题为什么老师说T统计量是看绝对值呢？

老师好，38题中，题目中交代是单尾，置信区间95%，阿尔法取值为什么不是5%？

老师 可以讲一下636题吗？答案太简单了

原版书上的这几话要怎么理解？ 1.For example, if the dollar is cheaper in terms of yen in the forward market than stipulated by CIP, then anyone able to borrow dollars at prevailing cash market rates could profit by entering an FX swap-selling dollars for yen at the spot rate today and repurchasing them cheaply at the forward rate at a future date. 2.A positive("wide") value of(f-s), above, indicates that party lending US dollars sells the foreign currency forward at a higher dollar price than warranted by the interest differential. Equivalently, a party borrowing US dollars via an FX swap-say, to hedge its US dollar asset-is effectively paying a higher interest rate on the swapped dollars than is paid in the cash market. 原版书页码为334-335

老师请问参数是不是就是矩呢？

第95题可以讲解一下是什么意思吗？基础班和强化班好像都没讲过这个知识点吧？