来自：FRM > 一级 > 电脑版 > Unit 11.期权 2021-09-12 15:49
Bear spreads are those in which an option trader buys a high strike call option and sells a lower strike call. 是否可以是 buy high strike put and sell lower strike put？
查看更多
Lorien
提问
159
上次登录
1546天前
