Considering 30-days investment horizon, GOL Linhas A is expected to under-perform the Baltia. But the stock apears to be less risky and, when comparing its historical volatility, GOL Linhas A is 4.28 times less risky than Baltia. The stock trades about -0.32 of its potential returns per unit of risk. The Baltia Air Lines Inc. is currently generating about -0.05 of returns per unit of risk over similar time horizon. If you would invest 3.00 in Baltia Air Lines Inc. on April 26, 2012 and sell it today you would lose (1.00) from holding Baltia Air Lines Inc. or give up 33.33% of portfolio value over 30 days.
Diversification
Average diversification
Overlapping area represents amount of risk that can be diversified away by holding GOL Linhas A and Baltia Air Lines Inc. in the same portfolio (assuming nothing else is changed)