15 million 和 long 60 contracts 这两个条件是什么意思，干嘛的？

cml的点在sml上的点不一定在Cml上说的不是很清楚

美式期权到期日前都可执行，百慕大期权只能在规定的交割时点执行，不是应该比美式期权更灵活么？

所以老师那个年限和经验的关系是自相关还是多重线性相关

老师 划红线这段话的意思我不是很明白 希望老师解释一下 谢谢 辛苦了

老师，这道题答案是B，但我怎么算是D

628题完全看不懂解析，请老师再给分析一下，谢谢

老师好， 最后一张自评的时候，发现只对了70%的题。 想问一下，FRM怎么算过？ 通常要答对多少题？

You have a long position in a digital call option -- an option that is also called cash-or-nothing -- on shares in Global Enterprises. The digital call has a strike price of USD 20 with one year remaining to expiration. Assume that the shares currently trade at USD 22 and annual return volatility of Global Enterprises shares is 15%. Which of the following sensitivities would be associated with this option? Ⅰ Delta is positive. Ⅱ Gamma is positive. Ⅲ Vega is negative. Ⅳ Vega is positive. Which statements are true? A. Ⅰ and Ⅲ B. Ⅳ only C. Ⅰ,Ⅱ and Ⅳ D. Ⅱ and Ⅲ 完全不会，请详细讲解，谢谢老师

为什么说var可以确定组合的关键风险因素？