SPX 2X10...RSI. stockcharts.com/c-sc/sc?s=$SPX&p=10&b=7&g=0&i=p81802277475&a=274626311&r= stockcharts.com/c-sc/sc?s=$SPX&p=10&b=7&g=0&i=p78467275700&a=274626311&r=