NO.PZ2020021203000090
问题如下:
A trader creates three six-month butterfly spreads. The first has strike prices of USD 30, USD 31, and USD 32. The second has strike prices of USD 31, USD 32, and USD 33. The third has strike prices of USD 32, USD 33, and USD 34. What is the resulting payoff pattern?
选项:
解释:
为什么会从asset price为30的点就开始往上穿呢?当asset price为30时,三个spread的payoff不是都在横轴以下吗?