Considering 30-days investment horizon, CarMax Inc. is expected to generate 0.7 times more return on investment than West. However, CarMax Inc. is 1.42 times less risky than West. It trades about -0.21 of its potential returns per unit of risk. West Marine Inc. is currently generating about -0.35 per unit of risk. If you would invest 3,129 in CarMax Inc. on April 26, 2012 and sell it today you would lose (218.00) from holding CarMax Inc. or give up 6.97% of portfolio value over 30 days.
Diversification
Average diversification
Overlapping area represents amount of risk that can be diversified away by holding CarMax Inc. and West Marine Inc. in the same portfolio (assuming nothing else is changed)
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