Considering 30-days investment horizon, DIRECTV is expected to generate 1.2 times more return on investment than Time. However, Directv is 1.2 times more volatile than Time Warner Inc.. It trades about -0.15 of its potential returns per unit of risk. Time Warner Inc. is currently generating about -0.45 per unit of risk. If you would invest 4,848 in DIRECTV on April 26, 2012 and sell it today you would lose (211.00) from holding DIRECTV or give up 4.35% of portfolio value over 30 days.
Diversification
Average diversification
Overlapping area represents amount of risk that can be diversified away by holding DIRECTV and Time Warner Inc. in the same portfolio (assuming nothing else is changed)
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