Given investment horizon of 30 days, SkyWest Inc. is expected to under-perform the Alaska. In addition to that, SkyWest is 1.5 times more volatile than Alaska Air Group Inc.. It trades about -0.27 of its total potential returns per unit of risk. Alaska Air Group Inc. is currently generating about 0.01 per unit of volatility. If you would invest 3,400 in Alaska Air Group Inc. on April 26, 2012 and sell it today you would lose (4.00) from holding Alaska Air Group Inc. or give up 0.12% of portfolio value over 30 days.
Diversification
Modest diversification
Overlapping area represents amount of risk that can be diversified away by holding SkyWest Inc. and Alaska Air Group Inc. in the same portfolio (assuming nothing else is changed)
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