Considering 30-days investment horizon, British American Tobacco plc is expected to generate 0.34 times more return on investment than Alliance. However, British American Tobacco plc is 2.94 times less risky than Alliance. It trades about -0.34 of its potential returns per unit of risk. Alliance One International Inc. is currently generating about -0.31 per unit of risk. If you would invest 10,336 in British American Tobacco plc on April 25, 2012 and sell it today you would lose (772) from holding British American Tobacco plc or give up 7.47% of portfolio value over 30 days.
Diversification
Average diversification
Overlapping area represents amount of risk that can be diversified away by holding British American Tobacco plc and Alliance One International Inc in the same portfolio (assuming nothing else is changed)