什么叫给我正也是正 给我负也是负，他就是个负数？

carrying value 是什么意思？账面价值？

图中的delivery和 freight 代表的都是运费嘛？

表中的N/A代表什么意思？

Long. 和buy有什么区别

什么时候有课后习题

课后题疑问为什么是B which is an example of an activity that may be legal but that CFA Institute considers unethical? A. making legally required disclosures in marketing materials. B. trading while in profession of material nonpublic information C. disclosure by an employee of his or her own company's dishonest activity.

讲义上说：short-term moving average crosses from underneath a longer-term average，是bullish and is termed a golden cross。反之属于：bearish and dead cross。 讲义上是不是写反了！！！

请问书上这题答案上面I/Y=8是哪里来的呢？另外这里面不是pmt为什么不是-70呢？谢谢

请问书上这题答案上面I/Y=8是哪里来的呢？另外这里面不是pmt为什么不是-70呢？谢谢