要小心

来源: 阿牛哥在米国 于 2010-08-20 11:11:03 [] [旧帖] [给我悄悄话] 阅读数 : (120 bytes)
回答: Please tell me how to buy oil directly 由 greenfieldcn 于 2010-08-20 10:45:09

USO 有contago 的问题,不适合长期持有.

2008年油价70多的时候, US0 是$40+, 现在油价80, USO 只有$30+, 类似还有UNG

所有跟帖： 

• that is actually my question about these ETF based on options -greenfieldcn- ♂ 给 greenfieldcn 发送悄悄话 (166 bytes) () 08/20/2010 postreply 11:35:31

• they all have the same problem including buy future directly -万枫- ♂ 给 万枫 发送悄悄话 万枫 的博客首页 (118 bytes) () 08/20/2010 postreply 12:09:37

• 或者 use proshare to multiply speed which might partially reslove -万枫- ♂ 给 万枫 发送悄悄话 万枫 的博客首页 (0 bytes) () 08/20/2010 postreply 12:29:59

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