标题: seeking alpha [打印本页]

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作者: bigredhockey55    时间: 2011-7-13 16:37     标题: seeking alpha

Why is alpha sometimes :

(expected - rfr)/stnd dev

and other times it is:

(expected - capm)/stnd dev

Any advice on when to use each.

In TB model it is (expected-capm)/stnd dev so when to use the other??

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作者: iteracom    时间: 2011-7-13 16:37

where did std dev makes its way into alpha?

the two alphas I know of:

1. Ex Ante Alpha = Required Return - expected Return

2. Ex Post Alpha = Required Return - contemporaneous return from like stocks/assets

CP

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