理解布莱克-斯科尔斯模型的关键在于认识到它是基于创建无风险对冲的理念。
I don't believe in luck, but I do believe in assigning value to things.
The strength of the team is each individual member. The strength of each member is the team.
我不是说唱歌手,我是一个玛雅语的传奇。