Based on research into how certain regional stock markets statistically correlate to each other, the Smartalpha.org investing methodology apply an optimized, easily executable, rebalancing strategy with cost-efficient low/medium/high beta index funds. By taking advantage of identified and quantified differences in volatility and currency affected reverse movements between different regional stock markets, the method suggests specific and simple rules to maximize the effect of rebalancing. The methodology has historically delivered more than twice the annual absolute returns as compared to average investor returns and outperformed the comparable indexes the last 48 years.