NO.PZ2023091802000113
问题如下：
An investor owns a stock and is bullish over the short term. Which of the following strategies will be the most appropriate one for this investor if the primary concern is to make a bet on the volatility of the stock?
选项：
A.
A covered call
B.
A protective put
C.
An at-the-money strip
D.
An at-the-money strap
解释：
A strap is betting on volatility in a bullish market since it pays
off more on the upside.
因为protective put如果stock上升profit可以不断上升 但是stock下降也有保证？
