A US version might be comprised of something like https://www.portfoliovisualizer.com/backtest-portfolio?s=y&allocation2_1=20&benchmark=%5ESPXTR&allocation1_1=20&allocation5_1=20&annualOperation=0&initialAmount=10000&allocation4_1=20&symbol5=GLD&symbol4=SHY&symbol1=MDY&endYear=2015&symbol3=EWU&symbol2=EWA&inflationAdjusted=true&annualAdjustment=0&showYield=false&startYear=1985&rebalanceType=1&annualPercentage=0.0&allocation3_1=20