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- 2011-7-11
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- 2014-8-7
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If returns are normally distributed and iid you basically do either. Convert the monthly return and standard deviations to annual and do the ratio, or do the ratio and multiply by the square root of time.
In practice, returns are neither normal nor iid so technically you shouldn't do that. |
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发表于 2011-10-13 00:23
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