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Sharpe Ratio vs M2

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May 10, 2011 03:27 pm
#1

Posts: 939
Member since: 21/04/2011

I heard that both ratio represent risk adjusted return. Can any one here explain these ratios? How it will help novice traders like me?

Stick to your rules

May 11, 2011 02:32 pm
Bee User

Posts: 29
Member since: 09/05/2011

M2 (Modigliani-Modigliani measure) is derived from Sharpe ratio. Sharpe ratio is widely used among investors. But normally people do not understand the sharpe ratio results easily.

Sharpe Ratio Sharpe ratio is a unique one in its class. It is dimensionless but once you understand the meaning of its results, you will never use any other return-risk ratios. Formula to calculate Sharpe ratio is S(X) = (R(x) - R(f)) / S.D(X) where X = investment R(x) = rate of return for your investment R(f) = Risk free return (An investment where there is almost no chance of loosing e.g T.Bills etc) S.D(X) = Standard Deviation of R(x)

M2 To understand the Risk Adjusted return M2 was derived from Sharpe ratio. It is in a form of percentage and you can easily interpret its results. Formula to calculate it is : M2 = S(x) * S.D(y) + R(f) Where S.D(y) = Standard deviation of returns of another investment of the same level.

Result will be in the form of percentage. So you can easily compare investments by using M2. Whereas Sharpe ratio results are very difficult to compare.

I hope it helps you.

Bee There is no term like "sufficient money". So aim for a satisfied life.

May 11, 2011 06:27 pm
ironical User

Posts: 734
Member since: 22/04/2011

That was a nice explanation. Can you plz give an example of it?

The good or ill of a man lies within his own will. – Epictetus

May 12, 2011 05:55 am
Bee User

Posts: 29
Member since: 09/05/2011

Example If your investment of$100 gave returns of $15,$(8),$7,$(5),$11,$2,$6,$6,$(10),0,14,10 each month Calculate the risk free return in your country. Say 12% per Annum.

Now average monthly return on your investment will be = (15 - 8 + 7 - 5 + 11 + 2 + 6 + 6 -10 + 0 + 14 + 10) / 12 = $ 4 / month Risk free return on $ 100 investment = $1 / month Standard deviation = 8.33 (you can easily caluclate it using "STDEV" function in excel

Put Values in Sharpe formula. It will look like (4-1)/8.33 = 0.36 .

Similarly you can calculate for M2 just by taking another investment of the same level and calculating its return then putting in formula. The results will be in percentage.

Regards

Bee There is no term like "sufficient money". So aim for a satisfied life.

May 12, 2011 06:50 am
ironical User

Posts: 734
Member since: 22/04/2011

Thankyou Bee.

The good or ill of a man lies within his own will. – Epictetus

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