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诚心求教关于covered call strategy and a protective put strategy

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]

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