Asset Comparison and Correlation

Considering 30-days investment horizon, CPFL is expected to generate 2.63 times less return on investment than Charles. But when comparing it to its historical volatility, CPFL Energia SA is 1.9 times less risky than Charles. It trades about 0.3 of its potential returns per unit of risk. The Charles Schwab Corporation is currently generating about 0.41 of returns per unit of risk over similar time horizon. If you would invest  1,659  in The Charles Schwab Corporation on April 20, 2013 and sell it today you would earn a total of  275.00  from holding The Charles Schwab Corporation or generate 16.58% return on investment over 30 days.