题目
An option trader constructs the following position: buys 1 call with a strike price at X_1, buys 1 call with a strike price at X_3 and sells 2 calls with a strike X_2. Where 「huixue_img/importSubject/1564169528429121536.png」This strategy is referred to as a:
选项
A.Butterfly Spread
B.Bull Spread
C.Strap Spread
D.Strip Spread
答案
A
解析
Buying a call at a low exercise price, buying another at a higher exercise price, and selling calls with exercise prices between the high and low is called a butterfly spread.蝶式价差的策略是：买入执行价格高的，买入执行价格低的，卖出两份中间价（执行价格）