老师，这个练习题怎么理解？

203题，老师可否解释下loss causes和loss indicators指的是什么？谢谢！

老师请讲解一下这道题的D选项好吗？谢谢

老师，习题35题怎么理解，看不懂

老师，请问练习题这个题怎么理解，看不懂(´･_･`)

问题如下图紫色字体？

0.1/88不懂？？？

最后一段那个x2是x的平方吧。怎么推出来的？

An at-the-money European call option on the DJ EURO STOXX 50 index with a strike of 2200 and maturing in 1 year is trading at EUR 350, where contract value is determined by EUR 10 per index point. The risk-free rate is 3% per year, and the daily volatility of the index is 2.05%. If we assume that the expected return on the DJ EURO STOXX 50 is 0%, the 99% 1-day VaR of a short position on a single call option calculated using the delta-normal approach is closest to: 老师您好！在delta-normal方法中VaR(df)=|Δ|VaR(dS)中为什么这个S用的是执行价格？而不是标的资产价格S0?VaR的计算公式=zσP，P为什么不是市场价格而是执行价格？

这里并没有说银行是long position，为何gamer一定大于零