Considering 30-days investment horizon, Chevron Corporation is expected to generate 1.81 times more return on investment than Exxon. However, Chevron is 1.81 times more volatile than Exxon Mobil Corporation. It trades about -0.14 of its potential returns per unit of risk. Exxon Mobil Corporation is currently generating about -0.37 per unit of risk. If you would invest 10,622 in Chevron Corporation on April 25, 2012 and sell it today you would lose (616) from holding Chevron Corporation or give up 5.8% of portfolio value over 30 days.
Diversification
Very weak diversification
Overlapping area represents amount of risk that can be diversified away by holding Chevron Corp. and Exxon Mobil Corp. in the same portfolio (assuming nothing else is changed)
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