诚心求教关于covered call strategy and a protective put strategy 好心人, 最好

yuanfeng0331

哪个好心人给解释下

covered call strategy and a protective put strategy

最好能给找个详细的解释的连接或是直接复制过来、

 

谢谢大家~~

[此贴子已经被作者于2009-11-21 9:33:33编辑过]