that is actually my question about these ETF based on options

the roll forward cost is actually very high. I wonder that anyone know any stocks that has a high correlation with oil price, be oil service or exploration companies.

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• they all have the same problem including buy future directly -万枫- ♂ (118 bytes) () 08/20/2010 postreply 12:09:37

• 或者 use proshare to multiply speed which might partially reslove -万枫- ♂ (0 bytes) () 08/20/2010 postreply 12:29:59