Alpha and Beta

8 important questions on Alpha and Beta

Market neutral hedge fund

B = 0
Expected market netural excess return is alpha since epsilon is expected to be 0

Where are fees dependend on

On Alpha not on Beta

Adjusting for more than the market, Fama and French

High minus Low: Strategy based on Book market ratio
Small minus big: SMB: Size bet basd on market capitalization.
It's easy to get exposure by etf on these markets. Smart Beta etfs.
Alpha is than the excess return that cannot be expained by this three factors.
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Sharp ratio "Reward"

Expected return over the risk free rate / stadard deviation of return.

Risk adjusted return on capital (Raroc)

Expected(exces retrun) = E(R - Rf) / Economic capital

Sortino Ratio(S)

= Expected value minus some minimum acceptable return wich is often the riskfree rate / divided by the donside risk wich is caluclated by a standardiviation of 1 if the value is lower than an certain value and 0 otherwise

Why it;s important to also adjust for lagged market retuns in you regression

The covariance of the market today and the market in one month = 0 so if an investments report all their replicated returns a month later all the market beta's will be alpha, you can adjust for this by correcting for lagged beta's. Illiquid securities often do not trade, mont aend price is a stale price also no. Public prices for otc securtities. So thes prices do not reflect all the volatility of the market.

What is track record

= relaized performance measure after trading cost and after fees,

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