Given investment horizon of 30 days, TiVo Inc. is expected to under-perform the Comcast. In addition to that, TiVo is 1.78 times more volatile than Comcast Corporation. It trades about -0.45 of its total potential returns per unit of risk. Comcast Corporation is currently generating about -0.2 per unit of volatility. If you would invest 3,028 in Comcast Corporation on April 26, 2012 and sell it today you would lose (143.00) from holding Comcast Corporation or give up 4.72% of portfolio value over 30 days.
Diversification
Poor diversification
Overlapping area represents amount of risk that can be diversified away by holding TiVo Inc. and Comcast Corp. in the same portfolio (assuming nothing else is changed)
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