Assuming 30 trading days horizon, Moly Mines Ltd. is expected to generate 1.0 times more return on investment than PREMIER. However, Moly is 1.0 times more volatile than PREMIER OIL ORD 5P. It trades about -0.21 of its potential returns per unit of risk. PREMIER OIL ORD 5P is currently generating about -0.25 per unit of risk. If you would invest 20.00 in Moly Mines Ltd. on April 26, 2012 and sell it today you would lose (3.00) from holding Moly Mines Ltd. or give up 15.0% of portfolio value over 30 days.
Diversification
Good diversification
Overlapping area represents amount of risk that can be diversified away by holding Moly Mines Ltd. and PREMIER OIL ORD 5P in the same portfolio (assuming nothing else is changed)