S&P 500 and Gold Return Calculator: Compare Returns for S&P 500 and Gold

Use this calculator to compute the total return, annualized return plus a summary of winning (profitable) and losing (unprofitable) buy and sell combinations using S&P 500 monthly price data from Yale University economist Robert Shiller and found at Quandl and gold using monthly prices from Gold Price - London PM Fixing. Monthly prices are from January 1968 throuth the current month.