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发表于 2013-7-27 03:02 PM
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本帖最后由 wsjboy 于 2013-7-27 04:13 PM 编辑
yanzi 发表于 2013-7-27 03:55 PM 
It is difficult to calculate the return, because money is not put in all at one time. But is there ...
No, it does not beat SP500, period!
If you want to beat SP500. go ahead to do your speculation, you have less than 5% of chance of beating SP500, and 70% of chance stable losing money or losing everything!
Where is the other 25% chance goes, you have ~5% chance of making money, but less then SP500. or ~20% chance of making nothing and getting about even.
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