caramelhan2019-03-14 08:06:48
请问:A short bull spread involves selling a call at lower strike price and buying another call at higher strike price= a short bear spread? 谢谢
回答(1)
Galina2019-03-14 17:54:58
从图形的趋势上是一致的。
- 评论(0)
- 追问(0)


评论
0/1000
追答
0/1000
+上传图片