Assuming 30 trading days horizon, Atlantic Coal PLC is expected to generate 0.88 times more return on investment than ImageWare. However, Atlantic Coal PLC is 1.14 times less risky than ImageWare. It trades about -0.07 of its potential returns per unit of risk. ImageWare Systems Inc. is currently generating about -0.07 per unit of risk. If you would invest 40.00 in Atlantic Coal PLC on April 25, 2012 and sell it today you would lose (10.00) from holding Atlantic Coal PLC or give up 25.0% of portfolio value over 30 days.
Diversification
Significant diversification
Overlapping area represents amount of risk that can be diversified away by holding Atlantic Coal PLC and ImageWare Systems Inc. in the same portfolio (assuming nothing else is changed)