Asset Comparison and Correlation

Assuming 30 trading days horizon, SP 500 is expected to generate 1.56 times less return on investment than Greif. But when comparing it to its historical volatility, S&P 500 is 1.63 times less risky than Greif. It trades about 0.32 of its potential returns per unit of risk. Greif Inc is currently generating about 0.3 of returns per unit of risk over similar time horizon. If you would invest  4,766  in Greif Inc on April 25, 2013 and sell it today you would earn a total of  320.00  from holding Greif Inc or generate 6.71% return on investment over 30 days.