Asset Comparison and Correlation

Considering 30-days investment horizon, St Jude is expected to generate 1.49 times less return on investment than Quantum. But when comparing it to its historical volatility, St Jude Medical Inc is 3.64 times less risky than Quantum. It trades about 0.59 of its potential returns per unit of risk. Quantum Corporation is currently generating about 0.24 of returns per unit of risk over similar time horizon. If you would invest  138.00  in Quantum Corporation on April 21, 2013 and sell it today you would earn a total of  16.00  from holding Quantum Corporation or generate 11.59% return on investment over 30 days.