不明白为什么保险公司要像天使一样为了投保者的利益而承担所有的风险?
所有跟帖:
• sell upside call to buy downside put protection -njrookie- ♂ (290 bytes) () 10/12/2014 postreply 20:47:47
• no, collars won't work, it's a bull call spread -ar11- ♂ (559 bytes) () 10/28/2014 postreply 14:47:47