SPX500 Index Auto Trading, this fully automated trading advisor uses a proprietary trading strategy to trade the SPX500 Index. Today, over 60% of trading activities with different assets (such as stocks, index futures, commodities) are automated, instead relying on human traders. What are the reasons why traders pay attention to S&P 500? Stockmarket index S&P 500, also known as Standard & Poor‘s 500, measuresthe performance of the top 500 companies in the U.S. A measure of the US economy, the S&P 500 index – and the Dow Jones Industrial Average (DJIA) – contain assets of approximately $2.2 trillion. So i’s a great opportunity to catch money from this market.