第一题如果是折价债券怎么记录的？

原版书课后题 6. As a result of Fund 3’s two trades, the portfolio’s active risk most likely:7. What was the effect of Fund 3’s two trades on its active share? Fund 3’s active share: 题目和答案都不是很懂请帮忙仔细解答下

这道题用的是MM哪个理论，我怎么感觉用了好几个不同的MM理论。可以这样的吗

CK的这个K到底是BOND还是一个股票的执行价格？

第二题，为什么不用考虑： Before the offer became public, DA stock traded at CHF13 per share. After the merger announcement, DA stock rose to CHF15 per share. CA currently trades at CHF46 per share, which is CHF3 per share lower than its price before the offer became public. Maximoff also mentions that the stock of CA’s direct competitor Big Airways (BA) gained 12% on its CHF48 share price when CA’s offer for DA became public？

第三题表格里的16500代表什么意思？

老师，第二题能不能仔细讲下，我现在明白要卖出，但是我不懂里面的逻辑，比方说我这样做是怎么赚钱之类的

百题case 5的第五问：请问解题思路是怎么样的

请问如何判断short put和bull spread的delta和gamma？

老师的视频解析里面 分子是1000+1.5*100-3000*5%-11000*2%=780，其中利息费用是5000*0.4*5%；而文字解析的利息费用却是Interest=0.05× (0.45×$5,000) =$112.5，这个0.45明显是错的吧